| Firminy to Creutzwald | 286.84 mi (461.62 km) |
| Firminy to Croissy-sur-Seine | 261.32 mi (420.55 km) |
| Firminy to Croix | 369.24 mi (594.24 km) |
| Firminy to Crosne | 245.38 mi (394.90 km) |
| Firminy to Cuers | 172.78 mi (278.06 km) |
| Firminy to Cugnaux | 193.40 mi (311.25 km) |
| Firminy to Cusset | 65.29 mi (105.07 km) |
| Firminy to Dammarie-le-Lys | 229.75 mi (369.74 km) |
| Firminy to Dammartin-en-Goele | 264.26 mi (425.28 km) |
| Firminy to Dardilly | 36.60 mi (58.90 km) |
| Firminy to Darnetal | 316.25 mi (508.95 km) |
| Firminy to Dax | 287.16 mi (462.15 km) |
| Firminy to Decines-Charpieu | 41.84 mi (67.34 km) |
| Firminy to Denain | 343.84 mi (553.37 km) |
| Firminy to Deuil-la-Barre | 264.46 mi (425.60 km) |
