| Opole to Coudekerque-Branche | 677.21 mi (1,089.87 km) |
| Opole to Coueron | 920.31 mi (1,481.10 km) |
| Opole to Coulommiers | 674.07 mi (1,084.80 km) |
| Opole to Courbevoic | 708.74 mi (1,140.61 km) |
| Opole to Courcouronnes | 706.45 mi (1,136.93 km) |
| Opole to Cournon-d'Auvergne | 757.29 mi (1,218.74 km) |
| Opole to Courrieres | 656.79 mi (1,056.99 km) |
| Opole to Coutras | 920.08 mi (1,480.73 km) |
| Opole to Couzeix | 833.70 mi (1,341.72 km) |
| Opole to Cran-Gevrier | 634.59 mi (1,021.27 km) |
| Opole to Craponne | 695.45 mi (1,119.21 km) |
| Opole to Creil | 692.27 mi (1,114.09 km) |
| Opole to Crepy-en-Valois | 674.98 mi (1,086.27 km) |
| Opole to Crest | 725.61 mi (1,167.75 km) |
| Opole to Creteil | 701.63 mi (1,129.17 km) |
