| Potomac to Chaudfontaine | 3,922.78 mi (6,313.11 km) |
| Potomac to Chaumont-Gistoux | 3,882.12 mi (6,247.68 km) |
| Potomac to Chimay | 3,883.32 mi (6,249.60 km) |
| Potomac to Ciney | 3,908.72 mi (6,290.47 km) |
| Potomac to Colfontaine | 3,855.01 mi (6,204.05 km) |
| Potomac to Courcelles | 3,875.06 mi (6,236.30 km) |
| Potomac to Court-Saint-Etienne | 3,878.25 mi (6,241.44 km) |
| Potomac to Couvin | 3,890.15 mi (6,260.60 km) |
| Potomac to Damme | 3,810.63 mi (6,132.61 km) |
| Potomac to De Haan | 3,799.97 mi (6,115.46 km) |
| Potomac to De Panne | 3,786.26 mi (6,093.39 km) |
| Potomac to De Pinte | 3,831.69 mi (6,166.52 km) |
| Potomac to Deerlijk | 3,823.34 mi (6,153.08 km) |
| Potomac to Deinze | 3,827.39 mi (6,159.58 km) |
| Potomac to Denderleeuw | 3,852.20 mi (6,199.52 km) |
