| Potomac to Excelsior Springs (Missouri) | 911.91 mi (1,467.58 km) |
| Potomac to Exeter (California) | 2,282.24 mi (3,672.92 km) |
| Potomac to Fair Lawn (New Jersey) | 210.14 mi (338.18 km) |
| Potomac to Fair Oaks (California) | 2,347.55 mi (3,778.02 km) |
| Potomac to Fair Oaks (Virginia) | 13.55 mi (21.81 km) |
| Potomac to Fairbanks (Alaska) | 3,256.71 mi (5,241.16 km) |
| Potomac to Fairborn (Ohio) | 367.77 mi (591.87 km) |
| Potomac to Fairburn (Georgia) | 558.46 mi (898.75 km) |
| Potomac to Fairfax (Virginia) | 12.48 mi (20.09 km) |
| Potomac to Fairfax Station (Virginia) | 16.99 mi (27.35 km) |
| Potomac to Fairfield (California) | 2,395.59 mi (3,855.33 km) |
| Potomac to Fairfield (Ohio) | 394.01 mi (634.11 km) |
| Potomac to Fairhope (Alabama) | 842.79 mi (1,356.34 km) |
| Potomac to Fairland (Maryland) | 13.75 mi (22.12 km) |
| Potomac to Fairmont (Minnesota) | 949.16 mi (1,527.53 km) |
