| Sumner to Zambrow | 5,205.01 mi (8,376.65 km) |
| Sumner to Zamosc | 5,365.64 mi (8,635.16 km) |
| Sumner to Zary | 5,155.39 mi (8,296.80 km) |
| Sumner to Zawiercie | 5,309.72 mi (8,545.17 km) |
| Sumner to Zdunska Wola | 5,232.80 mi (8,421.37 km) |
| Sumner to Zdzieszowice | 5,289.75 mi (8,513.04 km) |
| Sumner to Zgierz | 5,225.68 mi (8,409.92 km) |
| Sumner to Zgorzelec | 5,182.17 mi (8,339.89 km) |
| Sumner to Ziebice | 5,257.00 mi (8,460.32 km) |
| Sumner to Zielona Gora | 5,144.62 mi (8,279.46 km) |
| Sumner to Zielonka | 5,229.06 mi (8,415.36 km) |
| Sumner to Zlocieniec | 5,057.76 mi (8,139.68 km) |
| Sumner to Zlotoryja | 5,201.81 mi (8,371.50 km) |
| Sumner to Zlotow | 5,087.72 mi (8,187.89 km) |
| Sumner to Znin | 5,131.58 mi (8,258.48 km) |
