| Rennes to Cologno al Serio | 564.83 mi (909.00 km) |
| Rennes to Cologno Monzese | 547.43 mi (881.01 km) |
| Rennes to Colorno | 613.32 mi (987.05 km) |
| Rennes to Comacchio | 700.12 mi (1,126.74 km) |
| Rennes to Comiso | 1,127.95 mi (1,815.26 km) |
| Rennes to Como | 531.50 mi (855.37 km) |
| Rennes to Concordia Sagittaria | 703.18 mi (1,131.66 km) |
| Rennes to Concorezzo | 548.37 mi (882.52 km) |
| Rennes to Conegliano | 675.32 mi (1,086.82 km) |
| Rennes to Conselice | 689.95 mi (1,110.37 km) |
| Rennes to Conselve | 671.31 mi (1,080.37 km) |
| Rennes to Conversano | 1,045.27 mi (1,682.20 km) |
| Rennes to Copertino | 1,113.13 mi (1,791.40 km) |
| Rennes to Copparo | 678.80 mi (1,092.43 km) |
| Rennes to Corato | 1,007.33 mi (1,621.15 km) |
