| Potomac to Civril | 5,370.38 mi (8,642.79 km) |
| Potomac to Cizre | 5,906.74 mi (9,505.98 km) |
| Potomac to Cobanlar | 5,395.15 mi (8,682.66 km) |
| Potomac to Corlu | 5,165.39 mi (8,312.89 km) |
| Potomac to Corum | 5,475.37 mi (8,811.76 km) |
| Potomac to Cukurca | 5,963.91 mi (9,597.98 km) |
| Potomac to Cukurcayir | 5,634.24 mi (9,067.43 km) |
| Potomac to Cumayeri | 5,303.82 mi (8,535.67 km) |
| Potomac to Cumra | 5,527.78 mi (8,896.10 km) |
| Potomac to Cungus | 5,753.43 mi (9,259.25 km) |
| Potomac to Dargecit | 5,878.56 mi (9,460.64 km) |
| Potomac to Davutlar | 5,293.74 mi (8,519.46 km) |
| Potomac to Demirozu | 5,679.74 mi (9,140.65 km) |
| Potomac to Demre | 5,473.11 mi (8,808.12 km) |
| Potomac to Denizciler | 5,709.93 mi (9,189.24 km) |
