| Somerville to Cortona | 4,021.69 mi (6,472.29 km) |
| Somerville to Cosenza | 4,355.39 mi (7,009.32 km) |
| Somerville to Cossato | 3,780.20 mi (6,083.64 km) |
| Somerville to Costa Volpino | 3,854.35 mi (6,202.97 km) |
| Somerville to Creazzo | 3,922.87 mi (6,313.25 km) |
| Somerville to Crema | 3,851.69 mi (6,198.70 km) |
| Somerville to Cremona | 3,874.33 mi (6,235.12 km) |
| Somerville to Crevalcore | 3,936.06 mi (6,334.48 km) |
| Somerville to Crispiano | 4,348.22 mi (6,997.79 km) |
| Somerville to Crosia | 4,367.84 mi (7,029.37 km) |
| Somerville to Crotone | 4,402.15 mi (7,084.58 km) |
| Somerville to Cuneo | 3,791.18 mi (6,101.31 km) |
| Somerville to Cuorgne | 3,763.51 mi (6,056.78 km) |
| Somerville to Cusano Milanino | 3,824.35 mi (6,154.70 km) |
| Somerville to Cutro | 4,398.20 mi (7,078.22 km) |
