| Gretz-Armainvilliers to Cosenza | 933.58 mi (1,502.45 km) |
| Gretz-Armainvilliers to Cossato | 336.39 mi (541.36 km) |
| Gretz-Armainvilliers to Costa Volpino | 399.24 mi (642.51 km) |
| Gretz-Armainvilliers to Creazzo | 466.74 mi (751.14 km) |
| Gretz-Armainvilliers to Crema | 401.45 mi (646.06 km) |
| Gretz-Armainvilliers to Cremona | 424.80 mi (683.65 km) |
| Gretz-Armainvilliers to Crevalcore | 485.53 mi (781.39 km) |
| Gretz-Armainvilliers to Crispiano | 905.13 mi (1,456.67 km) |
| Gretz-Armainvilliers to Crosia | 938.39 mi (1,510.19 km) |
| Gretz-Armainvilliers to Crotone | 975.64 mi (1,570.15 km) |
| Gretz-Armainvilliers to Cuneo | 377.99 mi (608.31 km) |
| Gretz-Armainvilliers to Cuorgne | 327.19 mi (526.57 km) |
| Gretz-Armainvilliers to Cusano Milanino | 374.57 mi (602.81 km) |
| Gretz-Armainvilliers to Cutro | 973.42 mi (1,566.57 km) |
| Gretz-Armainvilliers to Cutrofiano | 965.08 mi (1,553.15 km) |
