| Preakness to Cernavoda | 4,831.42 mi (7,775.41 km) |
| Preakness to Chitila | 4,744.04 mi (7,634.80 km) |
| Preakness to Cisnadie | 4,622.81 mi (7,439.69 km) |
| Preakness to Cluj-Napoca | 4,558.58 mi (7,336.33 km) |
| Preakness to Codlea | 4,673.92 mi (7,521.95 km) |
| Preakness to Comanesti | 4,682.55 mi (7,535.83 km) |
| Preakness to Comarnic | 4,699.70 mi (7,563.43 km) |
| Preakness to Constanta | 4,862.03 mi (7,824.69 km) |
| Preakness to Corabia | 4,715.70 mi (7,589.19 km) |
| Preakness to Costesti | 4,693.92 mi (7,554.13 km) |
| Preakness to Covasna | 4,696.36 mi (7,558.06 km) |
| Preakness to Craiova | 4,665.34 mi (7,508.15 km) |
| Preakness to Cristuru Secuiesc | 4,633.84 mi (7,457.44 km) |
| Preakness to Cugir | 4,586.66 mi (7,381.51 km) |
| Preakness to Cumpana | 4,861.35 mi (7,823.59 km) |
