| Olton to Cernavoda | 1,465.93 mi (2,359.18 km) |
| Olton to Chitila | 1,374.78 mi (2,212.49 km) |
| Olton to Cisnadie | 1,254.85 mi (2,019.49 km) |
| Olton to Cluj-Napoca | 1,195.12 mi (1,923.37 km) |
| Olton to Codlea | 1,308.95 mi (2,106.55 km) |
| Olton to Comanesti | 1,325.83 mi (2,133.71 km) |
| Olton to Comarnic | 1,332.85 mi (2,145.01 km) |
| Olton to Constanta | 1,497.25 mi (2,409.60 km) |
| Olton to Corabia | 1,343.17 mi (2,161.62 km) |
| Olton to Costesti | 1,323.38 mi (2,129.77 km) |
| Olton to Covasna | 1,334.44 mi (2,147.57 km) |
| Olton to Craiova | 1,293.01 mi (2,080.89 km) |
| Olton to Cristuru Secuiesc | 1,271.41 mi (2,046.14 km) |
| Olton to Cugir | 1,217.71 mi (1,959.71 km) |
| Olton to Cumpana | 1,496.09 mi (2,407.72 km) |
