| Unye to Coudekerque-Branche | 1,785.75 mi (2,873.89 km) |
| Unye to Coueron | 1,956.60 mi (3,148.85 km) |
| Unye to Coulommiers | 1,737.07 mi (2,795.55 km) |
| Unye to Courbevoic | 1,775.16 mi (2,856.84 km) |
| Unye to Courcouronnes | 1,765.81 mi (2,841.79 km) |
| Unye to Cournon-d'Auvergne | 1,725.90 mi (2,777.57 km) |
| Unye to Courrieres | 1,755.96 mi (2,825.94 km) |
| Unye to Coutras | 1,889.90 mi (3,041.50 km) |
| Unye to Couzeix | 1,819.81 mi (2,928.70 km) |
| Unye to Cran-Gevrier | 1,585.87 mi (2,552.21 km) |
| Unye to Craponne | 1,652.33 mi (2,659.17 km) |
| Unye to Creil | 1,766.84 mi (2,843.45 km) |
| Unye to Crepy-en-Valois | 1,748.53 mi (2,813.99 km) |
| Unye to Crest | 1,639.84 mi (2,639.07 km) |
| Unye to Creteil | 1,765.10 mi (2,840.66 km) |
