| Rennes to Cosenza | 1,078.79 mi (1,736.15 km) |
| Rennes to Cossato | 497.09 mi (799.99 km) |
| Rennes to Costa Volpino | 576.64 mi (928.01 km) |
| Rennes to Creazzo | 646.42 mi (1,040.31 km) |
| Rennes to Crema | 569.89 mi (917.14 km) |
| Rennes to Cremona | 592.00 mi (952.73 km) |
| Rennes to Crevalcore | 653.68 mi (1,052.00 km) |
| Rennes to Crispiano | 1,064.80 mi (1,713.62 km) |
| Rennes to Crosia | 1,088.32 mi (1,751.48 km) |
| Rennes to Crotone | 1,123.96 mi (1,808.85 km) |
| Rennes to Cuneo | 510.31 mi (821.27 km) |
| Rennes to Cuorgne | 479.69 mi (771.99 km) |
| Rennes to Cusano Milanino | 542.62 mi (873.27 km) |
| Rennes to Cutro | 1,120.69 mi (1,803.57 km) |
| Rennes to Cutrofiano | 1,125.61 mi (1,811.50 km) |
