| Rennes to Ciampino | 821.31 mi (1,321.77 km) |
| Rennes to Cicciano | 935.98 mi (1,506.31 km) |
| Rennes to Cingoli | 787.94 mi (1,268.07 km) |
| Rennes to Cinisello Balsamo | 544.11 mi (875.66 km) |
| Rennes to Cinisi | 1,010.50 mi (1,626.24 km) |
| Rennes to Cirie | 482.40 mi (776.35 km) |
| Rennes to Ciro Marina | 1,111.86 mi (1,789.37 km) |
| Rennes to Cislago | 530.29 mi (853.43 km) |
| Rennes to Cisterna di Latina | 839.43 mi (1,350.93 km) |
| Rennes to Cisternino | 1,068.05 mi (1,718.87 km) |
| Rennes to Citta di Castello | 742.45 mi (1,194.86 km) |
| Rennes to Citta Sant'Angelo | 854.35 mi (1,374.94 km) |
| Rennes to Cittadella | 657.23 mi (1,057.70 km) |
| Rennes to Cittanova | 1,115.64 mi (1,795.45 km) |
| Rennes to Cividale del Friuli | 722.96 mi (1,163.49 km) |
