| Somersworth to Castrovillari | 4,293.89 mi (6,910.34 km) |
| Somersworth to Catania | 4,336.43 mi (6,978.81 km) |
| Somersworth to Catanzaro | 4,347.67 mi (6,996.89 km) |
| Somersworth to Cattolica | 3,988.46 mi (6,418.81 km) |
| Somersworth to Cava de' Tirreni | 4,194.18 mi (6,749.88 km) |
| Somersworth to Cavallino | 4,360.78 mi (7,017.99 km) |
| Somersworth to Cavarzere | 3,919.64 mi (6,308.05 km) |
| Somersworth to Cave | 4,075.20 mi (6,558.41 km) |
| Somersworth to Cavriago | 3,869.05 mi (6,226.63 km) |
| Somersworth to Cavriglia | 3,950.95 mi (6,358.43 km) |
| Somersworth to Cazzago San Martino | 3,817.66 mi (6,143.93 km) |
| Somersworth to Ceccano | 4,101.89 mi (6,601.35 km) |
| Somersworth to Cecina | 3,916.25 mi (6,302.60 km) |
| Somersworth to Cefalu | 4,267.25 mi (6,867.48 km) |
| Somersworth to Ceglie Messapico | 4,317.44 mi (6,948.24 km) |
