| Boxley to Cortona | 769.84 mi (1,238.93 km) |
| Boxley to Cosenza | 1,122.45 mi (1,806.40 km) |
| Boxley to Cossato | 527.83 mi (849.46 km) |
| Boxley to Costa Volpino | 576.97 mi (928.54 km) |
| Boxley to Creazzo | 639.63 mi (1,029.39 km) |
| Boxley to Crema | 586.08 mi (943.21 km) |
| Boxley to Cremona | 609.47 mi (980.84 km) |
| Boxley to Crevalcore | 667.70 mi (1,074.56 km) |
| Boxley to Crispiano | 1,086.02 mi (1,747.78 km) |
| Boxley to Crosia | 1,124.84 mi (1,810.25 km) |
| Boxley to Crotone | 1,162.64 mi (1,871.09 km) |
| Boxley to Cuneo | 577.46 mi (929.33 km) |
| Boxley to Cuorgne | 522.38 mi (840.68 km) |
| Boxley to Cusano Milanino | 560.45 mi (901.96 km) |
| Boxley to Cutro | 1,160.98 mi (1,868.41 km) |
