| Potomac to Vrnjacka Banja | 4,780.95 mi (7,694.20 km) |
| Potomac to Vrsac | 4,739.20 mi (7,627.01 km) |
| Potomac to Zabalj | 4,679.67 mi (7,531.19 km) |
| Potomac to Zabari | 4,765.34 mi (7,669.07 km) |
| Potomac to Zagubica | 4,794.98 mi (7,716.78 km) |
| Potomac to Zajecar | 4,826.74 mi (7,767.89 km) |
| Potomac to Zemun | 4,713.03 mi (7,584.88 km) |
| Potomac to Zitiste | 4,694.69 mi (7,555.37 km) |
| Potomac to Zitorada | 4,832.25 mi (7,776.75 km) |
| Potomac to Zrenjanin | 4,692.06 mi (7,551.14 km) |
| Potomac to Banovce nad Bebravou | 4,483.47 mi (7,215.45 km) |
| Potomac to Banska Bystrica | 4,517.31 mi (7,269.92 km) |
| Potomac to Banska Stiavnica | 4,517.75 mi (7,270.62 km) |
| Potomac to Bardejov | 4,578.22 mi (7,367.94 km) |
| Potomac to Bernolakovo | 4,464.48 mi (7,184.89 km) |
