| Firminy to Cabestany | 198.62 mi (319.65 km) |
| Firminy to Cabries | 144.92 mi (233.23 km) |
| Firminy to Cachan | 252.50 mi (406.37 km) |
| Firminy to Caen | 340.88 mi (548.59 km) |
| Firminy to Cagnes-sur-Mer | 184.52 mi (296.95 km) |
| Firminy to Cahors | 153.68 mi (247.32 km) |
| Firminy to Calais | 400.10 mi (643.89 km) |
| Firminy to Caluire-et-Cuire | 39.05 mi (62.84 km) |
| Firminy to Cambrai | 334.43 mi (538.22 km) |
| Firminy to Canet-en-Roussillon | 195.93 mi (315.32 km) |
| Firminy to Cannes | 184.82 mi (297.44 km) |
| Firminy to Canteleu | 319.16 mi (513.63 km) |
| Firminy to Capbreton | 306.44 mi (493.16 km) |
| Firminy to Carcassonne | 178.38 mi (287.08 km) |
| Firminy to Carmaux | 139.58 mi (224.63 km) |
