| Grez-Doiceau to Cabries | 504.85 mi (812.48 km) |
| Grez-Doiceau to Cachan | 170.75 mi (274.80 km) |
| Grez-Doiceau to Caen | 249.55 mi (401.61 km) |
| Grez-Doiceau to Cagnes-sur-Mer | 501.69 mi (807.38 km) |
| Grez-Doiceau to Cahors | 459.98 mi (740.26 km) |
| Grez-Doiceau to Calais | 124.95 mi (201.08 km) |
| Grez-Doiceau to Caluire-et-Cuire | 341.25 mi (549.19 km) |
| Grez-Doiceau to Cambrai | 75.02 mi (120.74 km) |
| Grez-Doiceau to Canet-en-Roussillon | 560.38 mi (901.85 km) |
| Grez-Doiceau to Cannes | 507.92 mi (817.42 km) |
| Grez-Doiceau to Canteleu | 184.97 mi (297.68 km) |
| Grez-Doiceau to Capbreton | 567.86 mi (913.88 km) |
| Grez-Doiceau to Carcassonne | 531.41 mi (855.22 km) |
| Grez-Doiceau to Carmaux | 476.81 mi (767.35 km) |
| Grez-Doiceau to Carpentras | 461.66 mi (742.97 km) |
