| Potomac to Buhusi | 4,885.83 mi (7,862.98 km) |
| Potomac to Bumbesti-Jiu | 4,819.77 mi (7,756.67 km) |
| Potomac to Busteni | 4,894.98 mi (7,877.70 km) |
| Potomac to Buzau | 4,955.54 mi (7,975.18 km) |
| Potomac to Cajvana | 4,817.38 mi (7,752.83 km) |
| Potomac to Calafat | 4,850.74 mi (7,806.51 km) |
| Potomac to Calan | 4,782.76 mi (7,697.11 km) |
| Potomac to Calarasi | 5,015.75 mi (8,072.06 km) |
| Potomac to Campia Turzii | 4,784.43 mi (7,699.80 km) |
| Potomac to Campina | 4,914.52 mi (7,909.16 km) |
| Potomac to Campulung | 4,881.74 mi (7,856.40 km) |
| Potomac to Campulung Moldovenesc | 4,808.74 mi (7,738.91 km) |
| Potomac to Caracal | 4,901.44 mi (7,888.10 km) |
| Potomac to Caransebes | 4,764.04 mi (7,666.97 km) |
| Potomac to Carei | 4,685.12 mi (7,539.97 km) |
