| Castel Gandolfo to Carpentras | 416.36 mi (670.06 km) |
| Castel Gandolfo to Carquefou | 793.65 mi (1,277.26 km) |
| Castel Gandolfo to Carqueiranne | 348.11 mi (560.23 km) |
| Castel Gandolfo to Carrieres-sous-Poissy | 715.08 mi (1,150.81 km) |
| Castel Gandolfo to Carrieres-sur-Seine | 704.77 mi (1,134.22 km) |
| Castel Gandolfo to Carros | 310.18 mi (499.18 km) |
| Castel Gandolfo to Carvin | 760.70 mi (1,224.24 km) |
| Castel Gandolfo to Castanet-Tolosan | 579.53 mi (932.66 km) |
| Castel Gandolfo to Castelginest | 584.66 mi (940.92 km) |
| Castel Gandolfo to Castelnau-le-Lez | 462.89 mi (744.96 km) |
| Castel Gandolfo to Castelnaudary | 554.98 mi (893.16 km) |
| Castel Gandolfo to Castelsarrasin | 604.92 mi (973.52 km) |
| Castel Gandolfo to Castres | 543.30 mi (874.35 km) |
| Castel Gandolfo to Caudebec-les-Elbeuf | 765.27 mi (1,231.58 km) |
| Castel Gandolfo to Caudry | 728.38 mi (1,172.21 km) |
