| Williamstown to Carpentras | 3,960.99 mi (6,374.59 km) |
| Williamstown to Carquefou | 3,582.88 mi (5,766.09 km) |
| Williamstown to Carqueiranne | 4,036.39 mi (6,495.94 km) |
| Williamstown to Carrieres-sous-Poissy | 3,695.05 mi (5,946.61 km) |
| Williamstown to Carrieres-sur-Seine | 3,706.57 mi (5,965.15 km) |
| Williamstown to Carros | 4,065.29 mi (6,542.45 km) |
| Williamstown to Carvin | 3,695.50 mi (5,947.34 km) |
| Williamstown to Castanet-Tolosan | 3,816.40 mi (6,141.90 km) |
| Williamstown to Castelginest | 3,808.36 mi (6,128.96 km) |
| Williamstown to Castelnau-le-Lez | 3,921.98 mi (6,311.81 km) |
| Williamstown to Castelnaudary | 3,842.88 mi (6,184.51 km) |
| Williamstown to Castelsarrasin | 3,783.78 mi (6,089.40 km) |
| Williamstown to Castres | 3,848.22 mi (6,193.12 km) |
| Williamstown to Caudebec-les-Elbeuf | 3,643.88 mi (5,864.25 km) |
| Williamstown to Caudry | 3,723.25 mi (5,991.99 km) |
