| Williamsport to Friendly (Maryland) | 171.38 mi (275.81 km) |
| Williamsport to Friendswood (Texas) | 1,300.53 mi (2,093.00 km) |
| Williamsport to Frisco (Texas) | 1,219.80 mi (1,963.07 km) |
| Williamsport to Front Royal (Virginia) | 170.98 mi (275.16 km) |
| Williamsport to Fruit Cove (Florida) | 811.35 mi (1,305.74 km) |
| Williamsport to Fruita (Colorado) | 1,669.54 mi (2,686.86 km) |
| Williamsport to Fruitville (Florida) | 1,008.98 mi (1,623.80 km) |
| Williamsport to Fuller Heights (Florida) | 961.97 mi (1,548.14 km) |
| Williamsport to Fullerton (California) | 2,274.58 mi (3,660.58 km) |
| Williamsport to Fullerton (Pennsylvania) | 91.36 mi (147.03 km) |
| Williamsport to Fulshear (Texas) | 1,322.06 mi (2,127.66 km) |
| Williamsport to Fulton (Missouri) | 804.77 mi (1,295.16 km) |
| Williamsport to Fulton (New York) | 146.98 mi (236.54 km) |
| Williamsport to Fuquay-Varina (North Carolina) | 401.20 mi (645.67 km) |
| Williamsport to Gadsden (Alabama) | 699.99 mi (1,126.52 km) |
