| Didymoteicho to Cognac | 1,370.35 mi (2,205.36 km) |
| Didymoteicho to Cogolin | 1,026.45 mi (1,651.91 km) |
| Didymoteicho to Colmar | 1,044.87 mi (1,681.56 km) |
| Didymoteicho to Colombes | 1,285.23 mi (2,068.38 km) |
| Didymoteicho to Colomiers | 1,286.72 mi (2,070.77 km) |
| Didymoteicho to Combs-la-Ville | 1,267.23 mi (2,039.42 km) |
| Didymoteicho to Comines | 1,292.39 mi (2,079.90 km) |
| Didymoteicho to Compiegne | 1,269.76 mi (2,043.48 km) |
| Didymoteicho to Concarneau | 1,551.17 mi (2,496.37 km) |
| Didymoteicho to Conde-sur-l'Escaut | 1,260.80 mi (2,029.06 km) |
| Didymoteicho to Conflans-Sainte-Honorine | 1,293.32 mi (2,081.40 km) |
| Didymoteicho to Corbas | 1,118.81 mi (1,800.55 km) |
| Didymoteicho to Corbeil-Essonnes | 1,269.72 mi (2,043.42 km) |
| Didymoteicho to Cormeilles-en-Parisis | 1,288.35 mi (2,073.40 km) |
| Didymoteicho to Cosne sur Loire | 1,231.40 mi (1,981.75 km) |
