| Oskaloosa to Cernavoda | 5,473.54 mi (8,808.81 km) |
| Oskaloosa to Chitila | 5,397.34 mi (8,686.18 km) |
| Oskaloosa to Cisnadie | 5,275.59 mi (8,490.24 km) |
| Oskaloosa to Cluj-Napoca | 5,204.32 mi (8,375.54 km) |
| Oskaloosa to Codlea | 5,319.15 mi (8,560.34 km) |
| Oskaloosa to Comanesti | 5,314.56 mi (8,552.96 km) |
| Oskaloosa to Comarnic | 5,348.05 mi (8,606.86 km) |
| Oskaloosa to Constanta | 5,501.93 mi (8,854.50 km) |
| Oskaloosa to Corabia | 5,384.84 mi (8,666.07 km) |
| Oskaloosa to Costesti | 5,352.37 mi (8,613.81 km) |
| Oskaloosa to Covasna | 5,335.62 mi (8,586.85 km) |
| Oskaloosa to Craiova | 5,333.32 mi (8,583.15 km) |
| Oskaloosa to Cristuru Secuiesc | 5,275.72 mi (8,490.46 km) |
| Oskaloosa to Cugir | 5,242.78 mi (8,437.43 km) |
| Oskaloosa to Cumpana | 5,502.24 mi (8,855.00 km) |
