| Rennes to Cassino | 884.78 mi (1,423.92 km) |
| Rennes to Castagneto Carducci | 683.48 mi (1,099.96 km) |
| Rennes to Castano Primo | 524.10 mi (843.46 km) |
| Rennes to Castel Bolognese | 694.63 mi (1,117.90 km) |
| Rennes to Castel Gandolfo | 825.66 mi (1,328.76 km) |
| Rennes to Castel Goffredo | 607.08 mi (977.01 km) |
| Rennes to Castel Maggiore | 667.79 mi (1,074.70 km) |
| Rennes to Castel Mella | 587.17 mi (944.95 km) |
| Rennes to Castel San Giorgio | 950.60 mi (1,529.84 km) |
| Rennes to Castel San Giovanni | 567.96 mi (914.05 km) |
| Rennes to Castel San Pietro Terme | 682.48 mi (1,098.34 km) |
| Rennes to Castel Volturno | 906.98 mi (1,459.64 km) |
| Rennes to Castelbuono | 1,059.35 mi (1,704.86 km) |
| Rennes to Casteldaccia | 1,032.38 mi (1,661.46 km) |
| Rennes to Castelfidardo | 799.04 mi (1,285.93 km) |
