| Mont-de-Marsan to Ciampino | 678.38 mi (1,091.74 km) |
| Mont-de-Marsan to Cicciano | 791.59 mi (1,273.95 km) |
| Mont-de-Marsan to Cingoli | 686.16 mi (1,104.27 km) |
| Mont-de-Marsan to Cinisello Balsamo | 490.29 mi (789.05 km) |
| Mont-de-Marsan to Cinisi | 810.24 mi (1,303.95 km) |
| Mont-de-Marsan to Cirie | 409.26 mi (658.63 km) |
| Mont-de-Marsan to Ciro Marina | 960.20 mi (1,545.30 km) |
| Mont-de-Marsan to Cislago | 479.70 mi (772.00 km) |
| Mont-de-Marsan to Cisterna di Latina | 693.90 mi (1,116.73 km) |
| Mont-de-Marsan to Cisternino | 939.84 mi (1,512.52 km) |
| Mont-de-Marsan to Citta di Castello | 636.90 mi (1,025.00 km) |
| Mont-de-Marsan to Citta Sant'Angelo | 737.93 mi (1,187.59 km) |
| Mont-de-Marsan to Cittadella | 614.02 mi (988.16 km) |
| Mont-de-Marsan to Cittanova | 942.02 mi (1,516.04 km) |
| Mont-de-Marsan to Cividale del Friuli | 696.72 mi (1,121.26 km) |
