Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Campbell High School | School | 4 | Honolulu | 21 19 09 N | 158 00 52 W |
| Campbell Industrial Park | Locale | 3 | Honolulu | 21 18 30 N | 158 06 08 W |
| Campbell Ranch | Locale | 1 | Honolulu | 21 34 41 N | 158 10 18 W |
| Canby Field | Park | 266 | Honolulu | 21 29 54 N | 158 03 26 W |
| Cancer Research Center | Hospital | 8 | Honolulu | 21 18 36 N | 157 51 23 W |
| Cannon Activities Center | Building | 2 | Honolulu | 21 38 39 N | 157 55 32 W |
| Cannoneer Field | Park | 276 | Honolulu | 21 29 58 N | 158 03 58 W |
| Canoe Landing Site | Locale | 2 | Hawaii | 19 21 08 N | 154 58 40 W |
| Canon Dam | Dam | 404 | Honolulu | 21 30 06 N | 157 56 50 W |
| Cape Halawa | Cape | -22 | Maui | 21 09 42 N | 156 42 47 W |
| Cape Hanamanioa | Cape | -3 | Maui | 20 35 17 N | 156 24 52 W |
| Cape Kinau | Cape | 15 | Maui | 20 36 28 N | 156 26 05 W |
| Cape Kumukahi | Cape | 17 | Hawaii | 19 31 08 N | 154 48 38 W |
| Cape Kumukahi Light | Locale | 20 | Hawaii | 19 31 10 N | 154 48 49 W |
| Captain Cook | Populated Place | 381 | Hawaii | 19 29 49 N | 155 55 18 W |
| Captain Cooks Memorial Park | Park | 7 | Kauai | 21 57 35 N | 159 40 19 W |
| Carter Point | Cape | 0 | Kauai | 21 56 59 N | 159 21 04 W |
| Cartwright Field | Park | 12 | Honolulu | 21 18 17 N | 157 50 30 W |
| Carvalho Park | Park | 83 | Hawaii | 19 43 17 N | 155 06 23 W |
| Castle Building | Building | 27 | Honolulu | 21 20 11 N | 157 52 27 W |
| Castle Hall | Building | 25 | Honolulu | 21 18 17 N | 157 49 53 W |
| Castle Memorial Hall | Building | 37 | Honolulu | 21 18 02 N | 157 49 32 W |
| Castle Memorial Hospital | Hospital | 1 | Honolulu | 21 23 02 N | 157 45 38 W |
| Castle Trail | Trail | 678 | Honolulu | 21 34 13 N | 157 54 52 W |
| Cathedral of Our Lady of Peace | Church | 5 | Honolulu | 21 18 49 N | 157 51 44 W |
| Cathedral School | School | 18 | Honolulu | 21 19 19 N | 157 51 28 W |
| Cavendish Golf Course | Locale | 521 | Maui | 20 50 03 N | 156 55 12 W |
| Center Ditch | Canal | 277 | Maui | 20 53 00 N | 156 13 00 W |
| Center for Korean Studies | Building | 44 | Honolulu | 21 18 16 N | 157 49 01 W |
| Central Christian Church | Church | 17 | Hawaii | 19 43 37 N | 155 05 25 W |
| Central Kona Union Church | Church | 430 | Hawaii | 19 31 05 N | 155 55 26 W |
| Central Korean Christian Church | Church | 29 | Honolulu | 21 19 40 N | 157 51 35 W |
| Central Middle School | School | 2 | Honolulu | 21 18 52 N | 157 51 36 W |
| Central Oahu Christian Church | Church | 257 | Honolulu | 21 30 04 N | 158 01 48 W |
| Central Seventh Day Adventist Church | Church | 64 | Honolulu | 21 19 46 N | 157 50 59 W |
| Central Union Church | Church | 13 | Honolulu | 21 18 08 N | 157 50 12 W |
| Century Square | Building | 6 | Honolulu | 21 18 48 N | 157 51 42 W |
| Chain of Craters | Crater | 1031 | Hawaii | 19 21 57 N | 155 12 09 W |
| Chamberlain Field | Park | 26 | Honolulu | 21 18 21 N | 157 50 01 W |
| Chaminade University of Honolulu | School | 52 | Honolulu | 21 17 35 N | 157 48 34 W |
| Chandelier Office Center | Locale | 10 | Maui | 20 54 24 N | 156 29 15 W |
| Changs Beach | Beach | -3 | Maui | 20 39 43 N | 156 26 40 W |
| Charley Young Beach | Beach | -3 | Maui | 20 43 47 N | 156 27 11 W |
| Chew Technology Center | Building | 64 | Honolulu | 21 18 23 N | 157 49 13 W |
| Chiefs Childrens School (historical) | School | 6 | Honolulu | 21 18 38 N | 157 51 37 W |
| China Ditch | Canal | 6 | Kauai | 22 12 00 N | 159 29 00 W |
| Chinatown | Populated Place | 1 | Honolulu | 21 18 54 N | 157 51 59 W |
| Chinatown Cultural Plaza | Locale | 2 | Honolulu | 21 19 03 N | 157 51 49 W |
| Chinatown Historic District | Park | 1 | Honolulu | 21 18 56 N | 157 51 57 W |
| Chinese Cemetery | Cemetery | 28 | Hawaii | 19 43 18 N | 155 05 25 W |
| Chinese Cemetery | Cemetery | 3 | Kauai | 21 57 51 N | 159 41 47 W |
| Christ Episcopal Church | Church | 450 | Hawaii | 19 30 40 N | 155 55 17 W |
| Christ Memorial Episcopal Church | Church | 91 | Kauai | 22 12 37 N | 159 24 50 W |
| Christ the King Church | Church | 1 | Maui | 20 53 18 N | 156 28 04 W |
| Christ the King School | School | 1 | Maui | 20 53 16 N | 156 28 07 W |
| Christ United Methodist Church | Church | 28 | Honolulu | 21 18 30 N | 157 50 17 W |
| Christian Ministry Church | Church | 65 | Maui | 20 53 32 N | 156 30 04 W |
| Chuns Reef Beach | Beach | 6 | Honolulu | 21 37 37 N | 158 05 02 W |
| Church of Christ | Church | 13 | Hawaii | 19 42 42 N | 155 04 48 W |
| Church of Christ | Church | 369 | Honolulu | 21 21 41 N | 157 51 35 W |
| Church of Christ at Kailua | Church | 6 | Honolulu | 21 24 19 N | 157 44 46 W |
| Church of Christ of Honolulu | Church | 39 | Honolulu | 21 18 36 N | 157 50 14 W |
| Church of Christ of Wahiawa | Church | 346 | Honolulu | 21 30 27 N | 158 00 22 W |
| Church of Christ of Waipahu | Church | 40 | Honolulu | 21 23 22 N | 158 01 11 W |
| Church of God | Church | 65 | Hawaii | 19 43 20 N | 155 06 05 W |
| Church of God | Church | 3 | Honolulu | 21 17 40 N | 157 49 42 W |
| Church of God | Church | 3 | Honolulu | 21 20 25 N | 157 42 14 W |
| Church of God | Church | 1 | Maui | 20 52 28 N | 156 40 41 W |
| Church of God of Prophecy | Church | 65 | Honolulu | 21 23 40 N | 157 47 56 W |
| Church of Jesus Christ of Latter Day Saints | Church | 427 | Maui | 20 50 30 N | 156 20 23 W |
| Church of Perfect Liberty | Church | 62 | Honolulu | 21 19 45 N | 157 51 03 W |
| Church of the Crossroads | Church | 7 | Honolulu | 21 17 49 N | 157 49 28 W |
| Church of the Holy Ghost | Church | 782 | Maui | 20 45 57 N | 156 19 48 W |
| Church of the Holy Nativity | Church | 5 | Honolulu | 21 16 54 N | 157 45 18 W |
| Church of the Nazarene | Church | 338 | Honolulu | 21 30 24 N | 158 00 28 W |
| Church of the Nazarene | Church | 46 | Honolulu | 21 16 57 N | 157 48 12 W |
| Church of the Nazarene | Church | 51 | Honolulu | 21 25 27 N | 157 47 37 W |
| Church of the Nazarene | Church | 6 | Honolulu | 21 24 21 N | 157 45 06 W |
| Church of the Nazarene | Church | 4 | Honolulu | 21 19 04 N | 158 01 02 W |
| Church of World Messianity | Church | 52 | Hawaii | 19 41 29 N | 155 04 37 W |
| Church of World Messianity | Church | 226 | Honolulu | 21 20 45 N | 157 50 05 W |
| Cinder Hills | Summit | 151 | Hawaii | 19 11 23 N | 155 27 31 W |
| Clark Tunnel | Tunnel | 167 | Honolulu | 21 20 49 N | 157 46 33 W |
| Clem Akina Park | Park | 32 | Hawaii | 19 43 57 N | 155 05 44 W |
| Co-Cathedral of Saint Theresa | Church | 9 | Honolulu | 21 19 39 N | 157 51 50 W |
| Coconut Island | Island | -3 | Hawaii | 19 43 57 N | 155 04 17 W |
| Coconut Island Park | Park | -3 | Hawaii | 19 43 58 N | 155 04 17 W |
| Coconut Point | Cape | 13 | Hawaii | 19 43 48 N | 155 05 20 W |
| Cod Fish Village | Populated Place | 19 | Maui | 20 53 47 N | 156 25 16 W |
| College Hall | Building | 28 | Hawaii | 19 42 23 N | 155 04 57 W |
| Community Church of Honolulu | Church | 68 | Honolulu | 21 19 48 N | 157 50 57 W |
| Community Seventh Day Adventist Church | Church | 1 | Maui | 20 52 34 N | 156 40 42 W |
| Cone Crater | Crater | 957 | Hawaii | 19 21 31 N | 155 18 55 W |
| Conners Dance Pavilion | Building | 39 | Honolulu | 21 18 21 N | 157 49 47 W |
| Cook Field | Park | 21 | Honolulu | 21 17 52 N | 157 49 12 W |
| Cook Point | Cape | 6 | Hawaii | 19 28 53 N | 155 56 18 W |
| Cooke Hall | Building | 36 | Honolulu | 21 18 27 N | 157 49 58 W |
| Cooke Library | Building | 31 | Honolulu | 21 18 24 N | 157 49 57 W |
| Cooke Tunnel | Tunnel | 265 | Honolulu | 21 21 15 N | 157 46 47 W |
| Cooks Heiau | Locale | 21 | Hawaii | 19 29 20 N | 155 56 46 W |
| Cooks Monument | Locale | 79 | Hawaii | 19 29 03 N | 155 56 11 W |
| Coral Island | Island | 0 | Honolulu | 21 27 01 N | 157 47 12 W |
| Corn Mill Camp | Locale | 472 | Maui | 20 50 15 N | 156 19 57 W |
| Country Garden Estates | Populated Place | 413 | Hawaii | 19 04 08 N | 155 48 04 W |
| Cove Park | Park | 5 | Maui | 20 43 40 N | 156 26 57 W |
| Crane Playground | Park | 10 | Honolulu | 21 17 21 N | 157 49 04 W |
| Crashboat Channel | Channel | 4 | Honolulu | 21 27 23 N | 157 47 12 W |
| Crater Hill | Summit | 116 | Kauai | 22 13 36 N | 159 23 53 W |
| Crater Overlook | Locale | 2549 | Maui | 20 44 53 N | 156 13 54 W |
| Crater Reservoir | Reservoir | 98 | Maui | 20 53 46 N | 156 40 17 W |