| Thorne to Cernavoda | 1,448.93 mi (2,331.83 km) |
| Thorne to Chitila | 1,360.82 mi (2,190.03 km) |
| Thorne to Cisnadie | 1,239.64 mi (1,995.00 km) |
| Thorne to Cluj-Napoca | 1,176.47 mi (1,893.34 km) |
| Thorne to Codlea | 1,291.45 mi (2,078.39 km) |
| Thorne to Comanesti | 1,303.75 mi (2,098.18 km) |
| Thorne to Comarnic | 1,316.74 mi (2,119.09 km) |
| Thorne to Constanta | 1,479.82 mi (2,381.54 km) |
| Thorne to Corabia | 1,334.77 mi (2,148.11 km) |
| Thorne to Costesti | 1,310.89 mi (2,109.68 km) |
| Thorne to Covasna | 1,315.06 mi (2,116.39 km) |
| Thorne to Craiova | 1,283.92 mi (2,066.27 km) |
| Thorne to Cristuru Secuiesc | 1,252.23 mi (2,015.27 km) |
| Thorne to Cugir | 1,203.44 mi (1,936.74 km) |
| Thorne to Cumpana | 1,478.97 mi (2,380.16 km) |
