| North Potomac to Cavaillon | 4,090.44 mi (6,582.93 km) |
| North Potomac to Cebazat | 3,945.57 mi (6,349.79 km) |
| North Potomac to Cenon | 3,811.07 mi (6,133.32 km) |
| North Potomac to Cergy | 3,814.23 mi (6,138.42 km) |
| North Potomac to Cernay | 4,063.00 mi (6,538.77 km) |
| North Potomac to Cesson | 3,849.14 mi (6,194.59 km) |
| North Potomac to Cesson-Sevigne | 3,680.45 mi (5,923.11 km) |
| North Potomac to Cestas | 3,807.34 mi (6,127.32 km) |
| North Potomac to Chalette-sur-Loing | 3,869.57 mi (6,227.47 km) |
| North Potomac to Challans | 3,699.47 mi (5,953.72 km) |
| North Potomac to Chalon-sur-Saone | 3,994.46 mi (6,428.47 km) |
| North Potomac to Chalons-en-Champagne | 3,912.73 mi (6,296.94 km) |
| North Potomac to Chamalieres | 3,945.77 mi (6,350.10 km) |
| North Potomac to Chambery | 4,076.06 mi (6,559.79 km) |
| North Potomac to Chambly | 3,818.66 mi (6,145.53 km) |
