| Somersworth to Coudekerque-Branche | 3,340.94 mi (5,376.72 km) |
| Somersworth to Coueron | 3,264.27 mi (5,253.33 km) |
| Somersworth to Coulommiers | 3,426.93 mi (5,515.11 km) |
| Somersworth to Courbevoic | 3,389.94 mi (5,455.59 km) |
| Somersworth to Courcouronnes | 3,404.69 mi (5,479.32 km) |
| Somersworth to Cournon-d'Auvergne | 3,519.47 mi (5,664.04 km) |
| Somersworth to Courrieres | 3,377.86 mi (5,436.14 km) |
| Somersworth to Coutras | 3,393.80 mi (5,461.80 km) |
| Somersworth to Couzeix | 3,430.10 mi (5,520.22 km) |
| Somersworth to Cran-Gevrier | 3,640.12 mi (5,858.20 km) |
| Somersworth to Craponne | 3,585.55 mi (5,770.39 km) |
| Somersworth to Creil | 3,389.99 mi (5,455.67 km) |
| Somersworth to Crepy-en-Valois | 3,407.45 mi (5,483.77 km) |
| Somersworth to Crest | 3,630.13 mi (5,842.13 km) |
| Somersworth to Creteil | 3,401.59 mi (5,474.33 km) |
