| Firminy to Cognac | 224.37 mi (361.10 km) |
| Firminy to Cogolin | 184.55 mi (297.00 km) |
| Firminy to Colmar | 236.07 mi (379.92 km) |
| Firminy to Colombes | 262.30 mi (422.13 km) |
| Firminy to Colomiers | 190.16 mi (306.03 km) |
| Firminy to Combs-la-Ville | 240.89 mi (387.67 km) |
| Firminy to Comines | 375.89 mi (604.94 km) |
| Firminy to Compiegne | 286.51 mi (461.09 km) |
| Firminy to Concarneau | 425.30 mi (684.45 km) |
| Firminy to Conde-sur-l'Escaut | 351.17 mi (565.15 km) |
| Firminy to Conflans-Sainte-Honorine | 269.81 mi (434.22 km) |
| Firminy to Corbas | 35.49 mi (57.12 km) |
| Firminy to Corbeil-Essonnes | 238.54 mi (383.90 km) |
| Firminy to Cormeilles-en-Parisis | 266.39 mi (428.71 km) |
| Firminy to Cosne sur Loire | 154.05 mi (247.93 km) |
