| Upminster to Carpentras | 563.69 mi (907.17 km) |
| Upminster to Carquefou | 304.49 mi (490.03 km) |
| Upminster to Carqueiranne | 644.55 mi (1,037.30 km) |
| Upminster to Carrieres-sous-Poissy | 196.72 mi (316.58 km) |
| Upminster to Carrieres-sur-Seine | 203.71 mi (327.84 km) |
| Upminster to Carros | 626.68 mi (1,008.55 km) |
| Upminster to Carvin | 138.66 mi (223.15 km) |
| Upminster to Castanet-Tolosan | 558.53 mi (898.87 km) |
| Upminster to Castelginest | 545.98 mi (878.67 km) |
| Upminster to Castelnau-le-Lez | 572.78 mi (921.80 km) |
| Upminster to Castelnaudary | 574.66 mi (924.82 km) |
| Upminster to Castelsarrasin | 520.79 mi (838.13 km) |
| Upminster to Castres | 557.47 mi (897.16 km) |
| Upminster to Caudebec-les-Elbeuf | 160.79 mi (258.77 km) |
| Upminster to Caudry | 169.64 mi (273.01 km) |
