| Storm Lake to Cernavoda | 5,481.21 mi (8,821.16 km) |
| Storm Lake to Chitila | 5,407.89 mi (8,703.15 km) |
| Storm Lake to Cisnadie | 5,286.59 mi (8,507.95 km) |
| Storm Lake to Cluj-Napoca | 5,214.09 mi (8,391.27 km) |
| Storm Lake to Codlea | 5,328.25 mi (8,574.99 km) |
| Storm Lake to Comanesti | 5,320.76 mi (8,562.93 km) |
| Storm Lake to Comarnic | 5,357.72 mi (8,622.41 km) |
| Storm Lake to Constanta | 5,508.98 mi (8,865.84 km) |
| Storm Lake to Corabia | 5,399.06 mi (8,688.94 km) |
| Storm Lake to Costesti | 5,364.29 mi (8,633.00 km) |
| Storm Lake to Covasna | 5,343.32 mi (8,599.24 km) |
| Storm Lake to Craiova | 5,347.51 mi (8,605.98 km) |
| Storm Lake to Cristuru Secuiesc | 5,284.29 mi (8,504.25 km) |
| Storm Lake to Cugir | 5,254.69 mi (8,456.61 km) |
| Storm Lake to Cumpana | 5,509.51 mi (8,866.70 km) |
