Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Carlson and Sandburg Mine | Mine | 183 | Shasta | 40 36 36 N | 122 23 51 W |
| Carlson Hospital Home School | School | 180 | Los Angeles | 34 08 53 N | 118 22 11 W |
| Carlson Park | Park | 238 | Riverside | 33 59 25 N | 117 23 28 W |
| Carlson Ranch | Locale | 261 | Mendocino | 38 53 40 N | 123 11 30 W |
| Carlton | Populated Place | 120 | Orange | 33 54 07 N | 117 50 14 W |
| Carlton Elementary School | School | 89 | Santa Clara | 37 14 49 N | 121 56 45 W |
| Carlton Hills | Populated Place | 128 | San Diego | 32 51 10 N | 116 59 41 W |
| Carlton Hills Elementary School | School | 114 | San Diego | 32 50 53 N | 116 59 47 W |
| Carlton Hills Lutheran Church | Church | 129 | San Diego | 32 51 17 N | 116 59 35 W |
| Carlton Hills Southern Baptist Church | Church | 100 | San Diego | 32 50 40 N | 117 00 02 W |
| Carlton Oaks Elementary School | School | 120 | San Diego | 32 50 39 N | 117 00 50 W |
| Carlton Oaks Golf Course | Locale | 103 | San Diego | 32 50 31 N | 117 00 36 W |
| Carlton Peterson Park | Park | 251 | Los Angeles | 34 01 43 N | 117 47 42 W |
| Carlton Ranch | Locale | 258 | Kern | 35 41 42 N | 118 59 25 W |
| Carlton School (historical) | School | 39 | Santa Cruz | 36 56 55 N | 121 43 16 W |
| Carlton Square Shopping Center | Locale | 100 | San Diego | 32 50 26 N | 116 59 43 W |
| Carlyle Hills | Area | 232 | Santa Clara | 36 57 18 N | 121 34 33 W |
| Carlysle Mine | Mine | 347 | Butte | 39 32 42 N | 121 16 14 W |
| Carlysle Mine | Mine | 584 | San Bernardino | 34 04 33 N | 115 42 05 W |
| Carmac Mine | Mine | 1900 | Placer | 39 10 42 N | 120 32 23 W |
| Carmack Mine | Mine | 1252 | Plumas | 39 52 02 N | 120 45 08 W |
| Carmack School for the Physically Handicapped | School | 449 | San Bernardino | 34 10 18 N | 117 19 46 W |
| Carman Creek | Stream | | Sierra | 39 41 36 N | 120 24 26 W |
| Carman Saddle | Gap | 1753 | Plumas | 39 45 53 N | 120 28 11 W |
| Carman Valley | Valley | | Plumas | 39 43 36 N | 120 28 37 W |
| Carmarillo Chamber of Commerce | Building | 32 | Ventura | 34 13 17 N | 119 04 07 W |
| Carmarillo Factory Stores Shopping Center | Locale | 32 | Ventura | 34 13 03 N | 119 03 48 W |
| Carmarillo Town Center Shopping Center | Locale | 29 | Ventura | 34 13 03 N | 119 04 16 W |
| Carmel Adult School | School | 119 | Monterey | 36 33 22 N | 121 54 36 W |
| Carmel Ballet Academy | School | 65 | Monterey | 36 33 11 N | 121 55 14 W |
| Carmel Bay | Bay | -25 | Monterey | 36 32 36 N | 121 57 17 W |
| Carmel Bay Ecological Reserve | Park | -5 | Monterey | 36 32 46 N | 121 56 20 W |
| Carmel Beach | Beach | 9 | Monterey | 36 33 01 N | 121 55 45 W |
| Carmel Beach | Beach | 0 | Sonoma | 38 22 24 N | 123 04 39 W |
| Carmel Beach City Park | Park | 6 | Monterey | 36 33 02 N | 121 55 46 W |
| Carmel Canyon | Valley | | Monterey | 36 32 00 N | 121 58 04 W |
| Carmel Center Shopping Center | Locale | 8 | Monterey | 36 32 13 N | 121 54 37 W |
| Carmel City Hall | Building | 52 | Monterey | 36 33 18 N | 121 55 31 W |
| Carmel Community Church (historical) | Church | 63 | Monterey | 36 33 16 N | 121 55 25 W |
| Carmel Convention Center | Building | 184 | Monterey | 36 33 49 N | 121 54 48 W |
| Carmel Cove | Bay | 0 | Monterey | 36 31 10 N | 121 56 19 W |
| Carmel Creek Park | Park | 62 | San Diego | 32 56 56 N | 117 13 18 W |
| Carmel del Mar Elementary School | School | 30 | San Diego | 32 56 19 N | 117 14 01 W |
| Carmel del Mar Park | Park | 25 | San Diego | 32 56 19 N | 117 13 58 W |
| Carmel Elementary School | School | 891 | San Bernardino | 34 25 17 N | 117 14 28 W |
| Carmel Gun Club | Locale | 31 | Merced | 37 01 26 N | 120 45 15 W |
| Carmel High School | School | 118 | Monterey | 36 33 21 N | 121 54 34 W |
| Carmel Highlands | Populated Place | 95 | Monterey | 36 30 15 N | 121 55 54 W |
| Carmel Middle School | School | 16 | Monterey | 36 32 30 N | 121 53 48 W |
| Carmel Mountain | Summit | 126 | San Diego | 32 55 51 N | 117 13 02 W |
| Carmel Mountain Ranch Community Park | Park | 186 | San Diego | 32 58 47 N | 117 05 03 W |
| Carmel of Saint Teresa Convent | Church | 158 | Los Angeles | 34 06 09 N | 118 07 41 W |
| Carmel Plaza Shopping Center | Locale | 72 | Monterey | 36 33 20 N | 121 55 17 W |
| Carmel Point | Cape | 8 | Monterey | 36 32 37 N | 121 55 59 W |
| Carmel Presbyterian Church | Church | 73 | Monterey | 36 33 18 N | 121 55 11 W |
| Carmel Ranch | Locale | 73 | Kern | 35 35 09 N | 119 35 56 W |
| Carmel Rancho Shopping Center | Locale | 14 | Monterey | 36 32 34 N | 121 54 21 W |
| Carmel River | Stream | | Monterey | 36 32 10 N | 121 55 41 W |
| Carmel River Bird Sanctuary | Park | 1 | Monterey | 36 32 13 N | 121 55 34 W |
| Carmel River Camp | Locale | 402 | Monterey | 36 21 07 N | 121 39 01 W |
| Carmel River Elementary School | School | 10 | Monterey | 36 32 33 N | 121 55 26 W |
| Carmel River Guard Station | Locale | 291 | Monterey | 36 23 45 N | 121 39 39 W |
| Carmel River State Beach | Park | 3 | Monterey | 36 31 56 N | 121 55 37 W |
| Carmel River Trail | Trail | 330 | Monterey | 36 22 09 N | 121 39 34 W |
| Carmel Valley | Populated Place | 121 | Monterey | 36 28 47 N | 121 43 57 W |
| Carmel Valley | Valley | | Monterey | 36 32 10 N | 121 55 41 W |
| Carmel Valley | Valley | | San Diego | 32 55 50 N | 117 14 19 W |
| Carmel Valley Airport (historical) | Airport | 132 | Monterey | 36 28 54 N | 121 43 52 W |
| Carmel Valley Branch Monterey County Free Libraries | Building | 123 | Monterey | 36 28 50 N | 121 44 07 W |
| Carmel Valley Branch San Diego County Library | Building | 93 | San Diego | 32 57 01 N | 117 13 34 W |
| Carmel Valley Chamber of Commerce | Building | 118 | Monterey | 36 28 58 N | 121 44 12 W |
| Carmel Valley Community Chapel | Church | 112 | Monterey | 36 28 39 N | 121 43 53 W |
| Carmel Valley High School | School | 112 | Monterey | 36 29 26 N | 121 44 36 W |
| Carmel Valley Manor | Populated Place | 58 | Monterey | 36 31 54 N | 121 49 34 W |
| Carmel Valley Post Office | Post Office | 119 | Monterey | 36 28 39 N | 121 43 44 W |
| Carmel Valley Racquet Club and Junior Tennis Camp | Locale | 30 | Monterey | 36 31 43 N | 121 52 04 W |
| Carmel Valley Ranch Golf Resort | Locale | 23 | Monterey | 36 31 58 N | 121 51 46 W |
| Carmel Valley Shopping Center | Locale | 116 | Monterey | 36 28 42 N | 121 43 55 W |
| Carmel Valley Trail and Saddle Club | Locale | 82 | Monterey | 36 28 55 N | 121 44 41 W |
| Carmel Valley Village | Populated Place | 262 | Monterey | 36 29 10 N | 121 43 26 W |
| Carmel Village Plaza Shopping Center | Locale | 196 | San Diego | 32 58 56 N | 117 04 03 W |
| Carmel Woods | Forest | 152 | Monterey | 36 34 18 N | 121 54 58 W |
| Carmel Woods School | School | 103 | Monterey | 36 33 47 N | 121 55 23 W |
| Carmel-by-the-Sea | Populated Place | 67 | Monterey | 36 33 19 N | 121 55 24 W |
| Carmela School | School | 52 | Los Angeles | 33 55 53 N | 118 02 50 W |
| Carmelita Gardens | Park | 269 | Los Angeles | 34 08 47 N | 118 09 37 W |
| Carmelite Mission | Church | 21 | Monterey | 36 31 22 N | 121 55 23 W |
| Carmelite Monastery | Church | 125 | San Diego | 32 46 24 N | 117 07 11 W |
| Carmelite Monastery | Church | 29 | Santa Clara | 37 20 48 N | 121 57 10 W |
| Carmelo Meadow | Flat | 8 | Monterey | 36 31 06 N | 121 56 19 W |
| Carmelo Meadow Trail | Trail | 17 | Monterey | 36 31 03 N | 121 56 13 W |
| Carmelo School | School | 36 | Monterey | 36 31 46 N | 121 49 39 W |
| Carmen City | Populated Place | 386 | Calaveras | 38 02 51 N | 120 41 27 W |
| Carmen Peak | Summit | 785 | Calaveras | 38 03 17 N | 120 39 44 W |
| Carmen Plaza Shopping Center | Locale | 40 | Ventura | 34 13 10 N | 119 03 05 W |
| Carmenita | Populated Place | 24 | Los Angeles | 33 53 29 N | 118 02 46 W |
| Carmenita Junior High School | School | 21 | Los Angeles | 33 52 51 N | 118 02 44 W |
| Carmenita Park | Park | 21 | Los Angeles | 33 52 53 N | 118 02 29 W |
| Carmet | Populated Place | 15 | Sonoma | 38 22 28 N | 123 04 35 W |
| Carmichael | Populated Place | 37 | Sacramento | 38 37 02 N | 121 19 42 W |
| Carmichael Assembly of God Church | Church | 33 | Sacramento | 38 37 29 N | 121 19 45 W |
| Carmichael Baptist Church | Church | 27 | Sacramento | 38 37 22 N | 121 19 16 W |
| Carmichael Christian Church | Church | 31 | Sacramento | 38 37 05 N | 121 21 04 W |
| Carmichael Elementary School | School | 41 | Sacramento | 38 38 05 N | 121 19 23 W |
| Carmichael Park | Park | 32 | Sacramento | 38 37 40 N | 121 19 51 W |
| Carmichael Post Office | Post Office | 33 | Sacramento | 38 37 38 N | 121 19 45 W |
| Carmichael Presbyterian Church | Church | 38 | Sacramento | 38 37 06 N | 121 19 58 W |
| Carmichael Ranch | Locale | 269 | Yuba | 39 15 41 N | 121 16 04 W |
| Carmichael Regional Library | Building | 36 | Sacramento | 38 37 04 N | 121 20 04 W |
| Carmichael Seventh Day Adventist Church | Church | 25 | Sacramento | 38 38 32 N | 121 21 23 W |