| Niederkassel to Vrsac | 766.80 mi (1,234.05 km) |
| Niederkassel to Zabalj | 708.12 mi (1,139.61 km) |
| Niederkassel to Zabari | 795.39 mi (1,280.06 km) |
| Niederkassel to Zagubica | 824.41 mi (1,326.76 km) |
| Niederkassel to Zajecar | 856.27 mi (1,378.03 km) |
| Niederkassel to Zemun | 742.79 mi (1,195.41 km) |
| Niederkassel to Zitiste | 722.29 mi (1,162.42 km) |
| Niederkassel to Zitorada | 867.38 mi (1,395.91 km) |
| Niederkassel to Zrenjanin | 720.03 mi (1,158.78 km) |
| Niederkassel to Banovce nad Bebravou | 520.89 mi (838.29 km) |
| Niederkassel to Banska Bystrica | 558.51 mi (898.84 km) |
| Niederkassel to Banska Stiavnica | 554.57 mi (892.50 km) |
| Niederkassel to Bardejov | 639.50 mi (1,029.17 km) |
| Niederkassel to Bernolakovo | 494.34 mi (795.56 km) |
| Niederkassel to Bratislava | 488.07 mi (785.48 km) |
