| Somersworth to Cortona | 3,981.25 mi (6,407.20 km) |
| Somersworth to Cosenza | 4,316.43 mi (6,946.63 km) |
| Somersworth to Cossato | 3,739.13 mi (6,017.54 km) |
| Somersworth to Costa Volpino | 3,812.46 mi (6,135.56 km) |
| Somersworth to Creazzo | 3,880.80 mi (6,245.54 km) |
| Somersworth to Crema | 3,810.32 mi (6,132.11 km) |
| Somersworth to Cremona | 3,833.03 mi (6,168.66 km) |
| Somersworth to Crevalcore | 3,894.75 mi (6,267.99 km) |
| Somersworth to Crispiano | 4,307.92 mi (6,932.93 km) |
| Somersworth to Crosia | 4,328.49 mi (6,966.02 km) |
| Somersworth to Crotone | 4,363.01 mi (7,021.59 km) |
| Somersworth to Cuneo | 3,751.32 mi (6,037.16 km) |
| Somersworth to Cuorgne | 3,722.75 mi (5,991.19 km) |
| Somersworth to Cusano Milanino | 3,782.98 mi (6,088.12 km) |
| Somersworth to Cutro | 4,359.15 mi (7,015.38 km) |
