| Martos to Cortona | 920.10 mi (1,480.76 km) |
| Martos to Cosenza | 1,096.21 mi (1,764.18 km) |
| Martos to Cossato | 827.02 mi (1,330.96 km) |
| Martos to Costa Volpino | 914.04 mi (1,471.00 km) |
| Martos to Creazzo | 960.93 mi (1,546.46 km) |
| Martos to Crema | 879.86 mi (1,416.00 km) |
| Martos to Cremona | 886.04 mi (1,425.94 km) |
| Martos to Crevalcore | 920.38 mi (1,481.21 km) |
| Martos to Crispiano | 1,150.22 mi (1,851.09 km) |
| Martos to Crosia | 1,123.66 mi (1,808.36 km) |
| Martos to Crotone | 1,142.95 mi (1,839.40 km) |
| Martos to Cuneo | 755.26 mi (1,215.47 km) |
| Martos to Cuorgne | 799.67 mi (1,286.94 km) |
| Martos to Cusano Milanino | 866.46 mi (1,394.44 km) |
| Martos to Cutro | 1,135.87 mi (1,828.01 km) |
