| Porterville to Zambrow | 5,860.35 mi (9,431.32 km) |
| Porterville to Zamosc | 6,017.30 mi (9,683.91 km) |
| Porterville to Zary | 5,774.17 mi (9,292.63 km) |
| Porterville to Zawiercie | 5,943.25 mi (9,564.74 km) |
| Porterville to Zdunska Wola | 5,868.73 mi (9,444.81 km) |
| Porterville to Zdzieszowice | 5,916.97 mi (9,522.44 km) |
| Porterville to Zgierz | 5,864.61 mi (9,438.19 km) |
| Porterville to Zgorzelec | 5,798.14 mi (9,331.20 km) |
| Porterville to Ziebice | 5,879.91 mi (9,462.79 km) |
| Porterville to Zielona Gora | 5,766.43 mi (9,280.18 km) |
| Porterville to Zielonka | 5,877.31 mi (9,458.61 km) |
| Porterville to Zlocieniec | 5,688.98 mi (9,155.53 km) |
| Porterville to Zlotoryja | 5,821.90 mi (9,369.45 km) |
| Porterville to Zlotow | 5,722.59 mi (9,209.62 km) |
| Porterville to Znin | 5,767.12 mi (9,281.28 km) |
