| Somersworth to Collegno | 3,729.55 mi (6,002.13 km) |
| Somersworth to Cologno al Serio | 3,803.81 mi (6,121.64 km) |
| Somersworth to Cologno Monzese | 3,787.72 mi (6,095.75 km) |
| Somersworth to Colorno | 3,854.70 mi (6,203.54 km) |
| Somersworth to Comacchio | 3,939.17 mi (6,339.49 km) |
| Somersworth to Comiso | 4,336.31 mi (6,978.62 km) |
| Somersworth to Como | 3,770.29 mi (6,067.69 km) |
| Somersworth to Concordia Sagittaria | 3,929.97 mi (6,324.67 km) |
| Somersworth to Concorezzo | 3,788.15 mi (6,096.44 km) |
| Somersworth to Conegliano | 3,902.78 mi (6,280.91 km) |
| Somersworth to Conselice | 3,930.74 mi (6,325.92 km) |
| Somersworth to Conselve | 3,907.25 mi (6,288.11 km) |
| Somersworth to Conversano | 4,288.50 mi (6,901.68 km) |
| Somersworth to Copertino | 4,356.31 mi (7,010.81 km) |
| Somersworth to Copparo | 3,917.38 mi (6,304.42 km) |
