| Royston to Cognac | 439.06 mi (706.59 km) |
| Royston to Cogolin | 679.18 mi (1,093.04 km) |
| Royston to Colmar | 426.35 mi (686.14 km) |
| Royston to Colombes | 237.78 mi (382.68 km) |
| Royston to Colomiers | 586.04 mi (943.14 km) |
| Royston to Combs-la-Ville | 259.54 mi (417.69 km) |
| Royston to Comines | 157.87 mi (254.06 km) |
| Royston to Compiegne | 220.28 mi (354.50 km) |
| Royston to Concarneau | 336.21 mi (541.08 km) |
| Royston to Conde-sur-l'Escaut | 191.21 mi (307.73 km) |
| Royston to Conflans-Sainte-Honorine | 230.21 mi (370.49 km) |
| Royston to Corbas | 494.01 mi (795.04 km) |
| Royston to Corbeil-Essonnes | 261.59 mi (420.99 km) |
| Royston to Cormeilles-en-Parisis | 233.67 mi (376.06 km) |
| Royston to Cosne sur Loire | 346.25 mi (557.24 km) |
