| Royston to Carpentras | 599.37 mi (964.59 km) |
| Royston to Carquefou | 334.73 mi (538.69 km) |
| Royston to Carqueiranne | 680.06 mi (1,094.45 km) |
| Royston to Carrieres-sous-Poissy | 232.45 mi (374.09 km) |
| Royston to Carrieres-sur-Seine | 239.27 mi (385.07 km) |
| Royston to Carros | 661.43 mi (1,064.46 km) |
| Royston to Carvin | 167.62 mi (269.76 km) |
| Royston to Castanet-Tolosan | 593.63 mi (955.36 km) |
| Royston to Castelginest | 581.05 mi (935.12 km) |
| Royston to Castelnau-le-Lez | 608.66 mi (979.54 km) |
| Royston to Castelnaudary | 610.00 mi (981.71 km) |
| Royston to Castelsarrasin | 555.66 mi (894.25 km) |
| Royston to Castres | 592.98 mi (954.32 km) |
| Royston to Caudebec-les-Elbeuf | 196.49 mi (316.22 km) |
| Royston to Caudry | 199.52 mi (321.09 km) |
