| Southborough to Carpentras | 538.77 mi (867.06 km) |
| Southborough to Carquefou | 278.42 mi (448.07 km) |
| Southborough to Carqueiranne | 620.05 mi (997.88 km) |
| Southborough to Carrieres-sous-Poissy | 171.88 mi (276.62 km) |
| Southborough to Carrieres-sur-Seine | 179.46 mi (288.82 km) |
| Southborough to Carros | 603.75 mi (971.63 km) |
| Southborough to Carvin | 126.23 mi (203.14 km) |
| Southborough to Castanet-Tolosan | 531.29 mi (855.02 km) |
| Southborough to Castelginest | 518.72 mi (834.81 km) |
| Southborough to Castelnau-le-Lez | 546.72 mi (879.87 km) |
| Southborough to Castelnaudary | 547.53 mi (881.16 km) |
| Southborough to Castelsarrasin | 493.48 mi (794.18 km) |
| Southborough to Castres | 530.47 mi (853.71 km) |
| Southborough to Caudebec-les-Elbeuf | 134.06 mi (215.74 km) |
| Southborough to Caudry | 155.29 mi (249.91 km) |
