| Rockville to Excelsior Springs (Missouri) | 913.44 mi (1,470.03 km) |
| Rockville to Exeter (California) | 2,283.59 mi (3,675.09 km) |
| Rockville to Fair Lawn (New Jersey) | 205.46 mi (330.66 km) |
| Rockville to Fair Oaks (California) | 2,348.46 mi (3,779.48 km) |
| Rockville to Fair Oaks (Virginia) | 18.61 mi (29.95 km) |
| Rockville to Fairbanks (Alaska) | 3,253.84 mi (5,236.55 km) |
| Rockville to Fairborn (Ohio) | 368.97 mi (593.81 km) |
| Rockville to Fairburn (Georgia) | 563.15 mi (906.31 km) |
| Rockville to Fairfax (Virginia) | 17.70 mi (28.49 km) |
| Rockville to Fairfax Station (Virginia) | 22.21 mi (35.75 km) |
| Rockville to Fairfield (California) | 2,396.53 mi (3,856.85 km) |
| Rockville to Fairfield (Ohio) | 395.67 mi (636.77 km) |
| Rockville to Fairhope (Alabama) | 847.51 mi (1,363.94 km) |
| Rockville to Fairland (Maryland) | 10.87 mi (17.49 km) |
| Rockville to Fairmont (Minnesota) | 949.03 mi (1,527.31 km) |
