| Unye to Cognac | 1,895.95 mi (3,051.24 km) |
| Unye to Cogolin | 1,572.15 mi (2,530.13 km) |
| Unye to Colmar | 1,537.13 mi (2,473.77 km) |
| Unye to Colombes | 1,775.33 mi (2,857.12 km) |
| Unye to Colomiers | 1,828.46 mi (2,942.62 km) |
| Unye to Combs-la-Ville | 1,760.08 mi (2,832.58 km) |
| Unye to Comines | 1,756.42 mi (2,826.69 km) |
| Unye to Compiegne | 1,752.65 mi (2,820.62 km) |
| Unye to Concarneau | 2,057.16 mi (3,310.68 km) |
| Unye to Conde-sur-l'Escaut | 1,727.87 mi (2,780.74 km) |
| Unye to Conflans-Sainte-Honorine | 1,782.69 mi (2,868.96 km) |
| Unye to Corbas | 1,643.77 mi (2,645.40 km) |
| Unye to Corbeil-Essonnes | 1,763.36 mi (2,837.86 km) |
| Unye to Cormeilles-en-Parisis | 1,777.89 mi (2,861.25 km) |
| Unye to Cosne sur Loire | 1,738.86 mi (2,798.43 km) |
