Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Fresh Ponds | Populated Place | 31 | Middlesex | 40 24 19 N | 074 27 57 W |
| Frigidaire Company Heliport | Airport | 36 | Middlesex | 40 31 36 N | 074 22 54 W |
| Frost Elementary School | School | 40 | Middlesex | 40 24 40 N | 074 23 60 W |
| G Austin Schoenly Elementary School | School | 15 | Middlesex | 40 24 15 N | 074 23 32 W |
| Garden of Memories | Cemetery | 32 | Middlesex | 40 27 28 N | 074 30 02 W |
| Garfield Engine Company Number 5 | Building | 34 | Middlesex | 40 31 17 N | 074 16 35 W |
| George Newman Farm (historical) | Locale | 29 | Middlesex | 40 24 17 N | 074 16 24 W |
| Georges Road | Locale | 33 | Middlesex | 40 26 00 N | 074 29 11 W |
| Georges Road Church | Church | 32 | Middlesex | 40 25 59 N | 074 29 11 W |
| Gillespie | Populated Place | 9 | Middlesex | 40 27 07 N | 074 21 22 W |
| Gillilandtown | Populated Place | 31 | Middlesex | 40 23 49 N | 074 25 11 W |
| Glad Tidings Assembly of God Church | Church | 24 | Middlesex | 40 31 03 N | 074 16 33 W |
| Glenwood Golf Course | Locale | 9 | Middlesex | 40 24 40 N | 074 18 46 W |
| Gordon Pond | Reservoir | 18 | Middlesex | 40 19 52 N | 074 36 53 W |
| Grace Lutheran Church | Church | 29 | Middlesex | 40 31 14 N | 074 17 02 W |
| Grace M Breckwedel Middle School | School | 19 | Middlesex | 40 21 08 N | 074 26 15 W |
| Grade School Number 10 (historical) | School | 37 | Middlesex | 40 31 48 N | 074 17 36 W |
| Grade School Number 11 (historical) | School | 6 | Middlesex | 40 33 20 N | 074 16 52 W |
| Grade School Number 7 (historical) | School | 42 | Middlesex | 40 31 52 N | 074 18 30 W |
| Grade School Number 8 (historical) | School | 21 | Middlesex | 40 31 05 N | 074 18 28 W |
| Grade School Number 9 (historical) | School | 26 | Middlesex | 40 31 43 N | 074 16 24 W |
| Grandview Elementary School | School | 18 | Middlesex | 40 34 01 N | 074 28 28 W |
| Grant Elementary School | School | 22 | Middlesex | 40 35 27 N | 074 24 46 W |
| Gravel Hill | Populated Place | 48 | Middlesex | 40 17 59 N | 074 25 10 W |
| Great Beds | Bar | -3 | Middlesex | 40 29 18 N | 074 15 42 W |
| Great Beds Lighthouse | Locale | -3 | Middlesex | 40 29 12 N | 074 15 11 W |
| Great Beds Reach | Channel | -3 | Middlesex | 40 29 06 N | 074 15 39 W |
| Great Ditch | Canal | 27 | Middlesex | 40 23 05 N | 074 28 57 W |
| Greek Catholic Cemetery | Cemetery | 39 | Middlesex | 40 31 50 N | 074 17 24 W |
| Greenbrook Elementary School | School | 50 | Middlesex | 40 25 38 N | 074 33 01 W |
| Greensand | Populated Place | 14 | Middlesex | 40 29 30 N | 074 23 14 W |
| Hadley Airport (historical) | Airport | 31 | Middlesex | 40 33 22 N | 074 25 49 W |
| Hagaman Heights School | School | 6 | Middlesex | 40 34 18 N | 074 14 11 W |
| Half Acre | Populated Place | 47 | Middlesex | 40 19 14 N | 074 27 09 W |
| Halls Corners | Locale | 33 | Middlesex | 40 25 03 N | 074 24 45 W |
| Hamilton School | School | 25 | Middlesex | 40 30 11 N | 074 25 46 W |
| Hammarskjold Middle School | School | 44 | Middlesex | 40 25 13 N | 074 23 38 W |
| Hampton Park | Park | 35 | Middlesex | 40 32 16 N | 074 22 17 W |
| Harbor Terrace (subdivision) | Populated Place | 9 | Middlesex | 40 30 30 N | 074 15 46 W |
| Harold G Hoffman High School (historical) | School | 12 | Middlesex | 40 28 52 N | 074 16 49 W |
| Harry S Truman Elementary School | School | 31 | Middlesex | 40 28 26 N | 074 18 28 W |
| Haven Homes | Populated Place | 36 | Middlesex | 40 30 34 N | 074 24 23 W |
| Hazelton | Populated Place | 13 | Middlesex | 40 35 18 N | 074 17 27 W |
| Hazelwood Cemetery | Cemetery | 12 | Middlesex | 40 36 31 N | 074 18 17 W |
| Heards Brook | Stream | | Middlesex | 40 33 20 N | 074 16 05 W |
| Heathcote | Populated Place | 51 | Middlesex | 40 23 19 N | 074 34 33 W |
| Heathcote Brook | Stream | | Middlesex | 40 22 25 N | 074 37 12 W |
| Heathcote Brook Branch | Stream | | Middlesex | 40 22 36 N | 074 34 39 W |
| Hebrew Fraternity Cemetery | Cemetery | 35 | Middlesex | 40 31 37 N | 074 18 09 W |
| Heller Industrial Park | Locale | 32 | Middlesex | 40 22 12 N | 074 29 19 W |
| Helmetta | Populated Place | 14 | Middlesex | 40 22 36 N | 074 25 29 W |
| Helmetta Dam | Dam | 12 | Middlesex | 40 22 42 N | 074 25 41 W |
| Helmetta Pond | Reservoir | 12 | Middlesex | 40 22 42 N | 074 25 41 W |
| Herbert Hoover Middle School | School | 29 | Middlesex | 40 31 57 N | 074 20 21 W |
| Herberts | Populated Place | 34 | Middlesex | 40 26 09 N | 074 25 23 W |
| Hercules Incorporated Heliport | Airport | 28 | Middlesex | 40 27 07 N | 074 20 01 W |
| Hercules Parlin | Airport | 11 | Middlesex | 40 26 54 N | 074 20 19 W |
| Hidden Lake Park | Park | 30 | Middlesex | 40 26 55 N | 074 30 39 W |
| Highland Park | Populated Place | 29 | Middlesex | 40 29 45 N | 074 25 28 W |
| Highland Park High School | School | 26 | Middlesex | 40 30 10 N | 074 25 31 W |
| Hillel Academy Hebrew Day School | School | 6 | Middlesex | 40 30 11 N | 074 16 27 W |
| Hillside Cemetery | Cemetery | 31 | Middlesex | 40 32 05 N | 074 21 16 W |
| Hoffman | Populated Place | 24 | Middlesex | 40 19 04 N | 074 24 43 W |
| Hoffman Cemetery | Cemetery | 43 | Middlesex | 40 18 39 N | 074 22 58 W |
| Holmes Marshall School | School | 7 | Middlesex | 40 31 35 N | 074 29 24 W |
| Holy Cross Burial Park | Cemetery | 36 | Middlesex | 40 22 49 N | 074 26 45 W |
| Holy Cross Episcopal Church | Church | 24 | Middlesex | 40 31 03 N | 074 16 29 W |
| Holy Family Roman Catholic Church | Church | 6 | Middlesex | 40 34 42 N | 074 13 18 W |
| Holy Family School | School | 6 | Middlesex | 40 34 41 N | 074 13 17 W |
| Holy Ghost Christian Center | Church | 12 | Middlesex | 40 30 44 N | 074 15 54 W |
| Holy Redeemer Cemetery | Cemetery | 18 | Middlesex | 40 34 59 N | 074 26 06 W |
| Holy Spirit Catholic Church | Church | 37 | Middlesex | 40 31 28 N | 074 17 16 W |
| Holy Spirit Roman Catholic School | School | 37 | Middlesex | 40 31 29 N | 074 17 15 W |
| Holy Trinity Church | Church | 10 | Middlesex | 40 30 36 N | 074 15 51 W |
| Holy Trinity Convent | Church | 19 | Middlesex | 40 30 59 N | 074 16 16 W |
| Holy Trinity Roman Catholic Church | Church | 20 | Middlesex | 40 31 02 N | 074 16 15 W |
| Holy Trinity School (historical) | School | 19 | Middlesex | 40 31 01 N | 074 16 15 W |
| Hooks Creek Lake | Lake | 1 | Middlesex | 40 26 21 N | 074 16 06 W |
| Hope Korean United Methodist Church | Church | 18 | Middlesex | 40 35 43 N | 074 27 44 W |
| Hopelawn | Populated Place | 29 | Middlesex | 40 31 37 N | 074 17 35 W |
| HQ 78 Division Heliport | Airport | 33 | Middlesex | 40 31 28 N | 074 25 31 W |
| Hungarian Reformed Church | Church | 12 | Middlesex | 40 30 48 N | 074 16 53 W |
| Hungarian Reformed Church | Church | 7 | Middlesex | 40 34 37 N | 074 13 21 W |
| Hungarian Reformed Church | Church | 7 | Middlesex | 40 33 18 N | 074 16 50 W |
| Immaculate Conception School | School | 6 | Middlesex | 40 23 20 N | 074 23 31 W |
| Immaculate Heart of Our Lady of Fatima Church (historical) | Church | 28 | Middlesex | 40 31 41 N | 074 16 25 W |
| Indian Fields Elementary School | School | 35 | Middlesex | 40 22 22 N | 074 30 18 W |
| Indiana Avenue Elementary School | School | 12 | Middlesex | 40 34 11 N | 074 18 51 W |
| Interchange 1 | Crossing | 26 | Middlesex | 40 31 42 N | 074 21 17 W |
| Interchange 1 | Crossing | 30 | Middlesex | 40 31 38 N | 074 19 20 W |
| Interchange 10 | Crossing | 29 | Middlesex | 40 31 43 N | 074 20 09 W |
| Interchange 10 & 129 | Crossing | 42 | Middlesex | 40 32 27 N | 074 18 31 W |
| Interchange 12 | Crossing | 8 | Middlesex | 40 35 40 N | 074 14 04 W |
| Interchange 120 | Crossing | 23 | Middlesex | 40 26 08 N | 074 15 08 W |
| Interchange 123 | Crossing | 33 | Middlesex | 40 28 19 N | 074 17 44 W |
| Interchange 124 | Crossing | 40 | Middlesex | 40 28 33 N | 074 17 59 W |
| Interchange 125 | Crossing | 10 | Middlesex | 40 29 42 N | 074 18 01 W |
| Interchange 127 | Crossing | 14 | Middlesex | 40 31 10 N | 074 17 59 W |
| Interchange 127A | Crossing | 45 | Middlesex | 40 32 05 N | 074 18 09 W |
| Interchange 128 | Crossing | 48 | Middlesex | 40 32 10 N | 074 18 11 W |
| Interchange 130 | Crossing | 29 | Middlesex | 40 33 10 N | 074 18 59 W |
| Interchange 131 | Crossing | 17 | Middlesex | 40 34 17 N | 074 19 23 W |
| Interchange 2 | Crossing | 42 | Middlesex | 40 32 01 N | 074 22 37 W |
| Interchange 2 | Crossing | 15 | Middlesex | 40 31 22 N | 074 18 37 W |
| Interchange 3 | Crossing | 24 | Middlesex | 40 32 32 N | 074 23 24 W |
| Interchange 3 | Crossing | 33 | Middlesex | 40 31 45 N | 074 16 47 W |
| Interchange 30 | Crossing | 19 | Middlesex | 40 22 11 N | 074 18 19 W |
| Interchange 4 | Crossing | 31 | Middlesex | 40 33 09 N | 074 24 42 W |
| Interchange 4 | Crossing | 6 | Middlesex | 40 31 35 N | 074 15 53 W |
| Interchange 5 | Crossing | 31 | Middlesex | 40 33 24 N | 074 26 08 W |