| Somersworth to Cividale del Friuli | 3,942.59 mi (6,344.99 km) |
| Somersworth to Civita Castellana | 4,034.86 mi (6,493.48 km) |
| Somersworth to Civitanova Marche | 4,055.17 mi (6,526.17 km) |
| Somersworth to Civitavecchia | 4,015.46 mi (6,462.25 km) |
| Somersworth to Civitella in Val di Chiana | 3,964.54 mi (6,380.31 km) |
| Somersworth to Clusone | 3,804.41 mi (6,122.61 km) |
| Somersworth to Coccaglio | 3,816.27 mi (6,141.69 km) |
| Somersworth to Codigoro | 3,931.69 mi (6,327.45 km) |
| Somersworth to Codogno | 3,818.15 mi (6,144.73 km) |
| Somersworth to Codroipo | 3,928.55 mi (6,322.38 km) |
| Somersworth to Cogoleto | 3,798.56 mi (6,113.19 km) |
| Somersworth to Colle di Val d'Elsa | 3,939.98 mi (6,340.79 km) |
| Somersworth to Colle Salvetti | 3,904.90 mi (6,284.33 km) |
| Somersworth to Collecchio | 3,853.83 mi (6,202.14 km) |
| Somersworth to Colleferro | 4,081.92 mi (6,569.21 km) |
