| Donostia to Cognac | 183.19 mi (294.82 km) |
| Donostia to Cogolin | 427.86 mi (688.57 km) |
| Donostia to Colmar | 557.20 mi (896.72 km) |
| Donostia to Colombes | 436.84 mi (703.03 km) |
| Donostia to Colomiers | 167.54 mi (269.63 km) |
| Donostia to Combs-la-Ville | 428.92 mi (690.28 km) |
| Donostia to Comines | 564.91 mi (909.13 km) |
| Donostia to Compiegne | 479.11 mi (771.06 km) |
| Donostia to Concarneau | 328.37 mi (528.46 km) |
| Donostia to Conde-sur-l'Escaut | 558.04 mi (898.08 km) |
| Donostia to Conflans-Sainte-Honorine | 438.09 mi (705.05 km) |
| Donostia to Corbas | 375.81 mi (604.81 km) |
| Donostia to Corbeil-Essonnes | 423.74 mi (681.95 km) |
| Donostia to Cormeilles-en-Parisis | 438.77 mi (706.13 km) |
| Donostia to Cosne sur Loire | 369.39 mi (594.48 km) |
