| Porsgrunn to Zamosc | 788.32 mi (1,268.67 km) |
| Porsgrunn to Zary | 558.66 mi (899.08 km) |
| Porsgrunn to Zawiercie | 708.19 mi (1,139.73 km) |
| Porsgrunn to Zdunska Wola | 632.66 mi (1,018.16 km) |
| Porsgrunn to Zdzieszowice | 686.92 mi (1,105.49 km) |
| Porsgrunn to Zgierz | 628.32 mi (1,011.18 km) |
| Porsgrunn to Zgorzelec | 588.37 mi (946.89 km) |
| Porsgrunn to Ziebice | 655.61 mi (1,055.11 km) |
| Porsgrunn to Zielona Gora | 544.99 mi (877.08 km) |
| Porsgrunn to Zielonka | 646.63 mi (1,040.65 km) |
| Porsgrunn to Zlocieniec | 454.99 mi (732.23 km) |
| Porsgrunn to Zlotoryja | 602.97 mi (970.38 km) |
| Porsgrunn to Zlotow | 486.60 mi (783.10 km) |
| Porsgrunn to Znin | 531.01 mi (854.57 km) |
| Porsgrunn to Zory | 721.02 mi (1,160.37 km) |
