| Potomac Park to Carpentras | 5,922.78 mi (9,531.79 km) |
| Potomac Park to Carquefou | 5,541.40 mi (8,918.03 km) |
| Potomac Park to Carqueiranne | 6,006.39 mi (9,666.36 km) |
| Potomac Park to Carrieres-sous-Poissy | 5,579.93 mi (8,980.02 km) |
| Potomac Park to Carrieres-sur-Seine | 5,589.77 mi (8,995.86 km) |
| Potomac Park to Carros | 6,008.70 mi (9,670.06 km) |
| Potomac Park to Carvin | 5,533.22 mi (8,904.86 km) |
| Potomac Park to Castanet-Tolosan | 5,827.09 mi (9,377.79 km) |
| Potomac Park to Castelginest | 5,816.08 mi (9,360.07 km) |
| Potomac Park to Castelnau-le-Lez | 5,904.92 mi (9,503.05 km) |
| Potomac Park to Castelnaudary | 5,852.89 mi (9,419.32 km) |
| Potomac Park to Castelsarrasin | 5,787.69 mi (9,314.38 km) |
| Potomac Park to Castres | 5,849.43 mi (9,413.74 km) |
| Potomac Park to Caudebec-les-Elbeuf | 5,530.99 mi (8,901.27 km) |
| Potomac Park to Caudry | 5,565.40 mi (8,956.64 km) |
