| Osuna to Cernavoda | 1,787.97 mi (2,877.46 km) |
| Osuna to Chitila | 1,688.29 mi (2,717.04 km) |
| Osuna to Cisnadie | 1,612.53 mi (2,595.12 km) |
| Osuna to Cluj-Napoca | 1,601.65 mi (2,577.61 km) |
| Osuna to Codlea | 1,673.74 mi (2,693.62 km) |
| Osuna to Comanesti | 1,729.93 mi (2,784.05 km) |
| Osuna to Comarnic | 1,678.09 mi (2,700.63 km) |
| Osuna to Constanta | 1,816.76 mi (2,923.80 km) |
| Osuna to Corabia | 1,609.86 mi (2,590.82 km) |
| Osuna to Costesti | 1,635.87 mi (2,632.68 km) |
| Osuna to Covasna | 1,710.70 mi (2,753.11 km) |
| Osuna to Craiova | 1,580.77 mi (2,544.01 km) |
| Osuna to Cristuru Secuiesc | 1,661.88 mi (2,674.53 km) |
| Osuna to Cugir | 1,577.14 mi (2,538.16 km) |
| Osuna to Cumpana | 1,812.70 mi (2,917.26 km) |
