| Modesto to Cortona | 6,117.53 mi (9,845.21 km) |
| Modesto to Cosenza | 6,468.87 mi (10,410.64 km) |
| Modesto to Cossato | 5,877.94 mi (9,459.63 km) |
| Modesto to Costa Volpino | 5,920.10 mi (9,527.47 km) |
| Modesto to Creazzo | 5,976.19 mi (9,617.75 km) |
| Modesto to Crema | 5,933.66 mi (9,549.31 km) |
| Modesto to Cremona | 5,956.78 mi (9,586.51 km) |
| Modesto to Crevalcore | 6,012.36 mi (9,675.96 km) |
| Modesto to Crispiano | 6,420.67 mi (10,333.07 km) |
| Modesto to Crosia | 6,468.09 mi (10,409.38 km) |
| Modesto to Crotone | 6,506.32 mi (10,470.91 km) |
| Modesto to Cuneo | 5,923.54 mi (9,533.01 km) |
| Modesto to Cuorgne | 5,872.06 mi (9,450.17 km) |
| Modesto to Cusano Milanino | 5,908.93 mi (9,509.50 km) |
| Modesto to Cutro | 6,505.46 mi (10,469.52 km) |
