| Rennes to Civita Castellana | 793.24 mi (1,276.60 km) |
| Rennes to Civitanova Marche | 812.79 mi (1,308.06 km) |
| Rennes to Civitavecchia | 776.00 mi (1,248.85 km) |
| Rennes to Civitella in Val di Chiana | 721.33 mi (1,160.87 km) |
| Rennes to Clusone | 568.65 mi (915.15 km) |
| Rennes to Coccaglio | 577.82 mi (929.91 km) |
| Rennes to Codigoro | 693.36 mi (1,115.85 km) |
| Rennes to Codogno | 576.69 mi (928.10 km) |
| Rennes to Codroipo | 704.91 mi (1,134.44 km) |
| Rennes to Cogoleto | 555.80 mi (894.47 km) |
| Rennes to Colle di Val d'Elsa | 697.06 mi (1,121.82 km) |
| Rennes to Colle Salvetti | 662.15 mi (1,065.62 km) |
| Rennes to Collecchio | 611.52 mi (984.14 km) |
| Rennes to Colleferro | 841.28 mi (1,353.90 km) |
| Rennes to Collegno | 486.37 mi (782.73 km) |
