| Solothurn to Coudekerque-Branche | 350.97 mi (564.84 km) |
| Solothurn to Coueron | 434.14 mi (698.68 km) |
| Solothurn to Coulommiers | 233.40 mi (375.62 km) |
| Solothurn to Courbevoic | 270.02 mi (434.55 km) |
| Solothurn to Courcouronnes | 255.48 mi (411.16 km) |
| Solothurn to Cournon-d'Auvergne | 230.04 mi (370.22 km) |
| Solothurn to Courrieres | 305.92 mi (492.33 km) |
| Solothurn to Coutras | 396.29 mi (637.77 km) |
| Solothurn to Couzeix | 313.03 mi (503.78 km) |
| Solothurn to Cran-Gevrier | 113.32 mi (182.37 km) |
| Solothurn to Craponne | 167.94 mi (270.27 km) |
| Solothurn to Creil | 271.77 mi (437.37 km) |
| Solothurn to Crepy-en-Valois | 255.20 mi (410.71 km) |
| Solothurn to Crest | 209.98 mi (337.92 km) |
| Solothurn to Creteil | 258.35 mi (415.77 km) |
