| Sidmouth to Cernavoda | 1,511.05 mi (2,431.81 km) |
| Sidmouth to Chitila | 1,416.11 mi (2,279.01 km) |
| Sidmouth to Cisnadie | 1,299.01 mi (2,090.56 km) |
| Sidmouth to Cluj-Napoca | 1,244.77 mi (2,003.27 km) |
| Sidmouth to Codlea | 1,355.95 mi (2,182.19 km) |
| Sidmouth to Comanesti | 1,379.26 mi (2,219.71 km) |
| Sidmouth to Comarnic | 1,377.64 mi (2,217.10 km) |
| Sidmouth to Constanta | 1,542.81 mi (2,482.91 km) |
| Sidmouth to Corabia | 1,376.57 mi (2,215.38 km) |
| Sidmouth to Costesti | 1,362.96 mi (2,193.48 km) |
| Sidmouth to Covasna | 1,383.94 mi (2,227.23 km) |
| Sidmouth to Craiova | 1,327.86 mi (2,136.99 km) |
| Sidmouth to Cristuru Secuiesc | 1,321.13 mi (2,126.15 km) |
| Sidmouth to Cugir | 1,260.83 mi (2,029.11 km) |
| Sidmouth to Cumpana | 1,541.20 mi (2,480.32 km) |
