| Rockville to Federal Way (Washington) | 2,311.06 mi (3,719.28 km) |
| Rockville to Felida (Washington) | 2,336.42 mi (3,760.11 km) |
| Rockville to Fenton (Michigan) | 427.69 mi (688.31 km) |
| Rockville to Fergus Falls (Minnesota) | 1,078.38 mi (1,735.49 km) |
| Rockville to Ferguson (Missouri) | 706.14 mi (1,136.42 km) |
| Rockville to Fernandina Beach (Florida) | 630.86 mi (1,015.27 km) |
| Rockville to Ferndale (Maryland) | 28.89 mi (46.49 km) |
| Rockville to Ferndale (Michigan) | 389.94 mi (627.55 km) |
| Rockville to Ferndale (Washington) | 2,319.86 mi (3,733.46 km) |
| Rockville to Fernley (Nevada) | 2,226.15 mi (3,582.64 km) |
| Rockville to Ferry Pass (Florida) | 820.00 mi (1,319.66 km) |
| Rockville to Festus (Missouri) | 717.04 mi (1,153.97 km) |
| Rockville to Fife (Washington) | 2,312.05 mi (3,720.89 km) |
| Rockville to Fillmore (California) | 2,314.36 mi (3,724.60 km) |
| Rockville to Findlay (Ohio) | 368.54 mi (593.10 km) |
