| Gretz-Armainvilliers to Corbetta | 368.21 mi (592.58 km) |
| Gretz-Armainvilliers to Corciano | 599.75 mi (965.21 km) |
| Gretz-Armainvilliers to Cordenons | 503.35 mi (810.06 km) |
| Gretz-Armainvilliers to Cori | 696.03 mi (1,120.15 km) |
| Gretz-Armainvilliers to Coriano | 573.88 mi (923.57 km) |
| Gretz-Armainvilliers to Corigliano Calabro | 927.66 mi (1,492.93 km) |
| Gretz-Armainvilliers to Corleone | 921.24 mi (1,482.59 km) |
| Gretz-Armainvilliers to Cormano | 373.94 mi (601.80 km) |
| Gretz-Armainvilliers to Cornaredo | 371.08 mi (597.20 km) |
| Gretz-Armainvilliers to Cornate d'Adda | 381.25 mi (613.56 km) |
| Gretz-Armainvilliers to Cornedo Vicentino | 458.23 mi (737.46 km) |
| Gretz-Armainvilliers to Correggio | 469.07 mi (754.89 km) |
| Gretz-Armainvilliers to Corridonia | 640.73 mi (1,031.16 km) |
| Gretz-Armainvilliers to Corsico | 377.13 mi (606.94 km) |
| Gretz-Armainvilliers to Cortona | 582.20 mi (936.97 km) |
