| Gourock to Zambrow | 1,098.62 mi (1,768.06 km) |
| Gourock to Zamosc | 1,203.70 mi (1,937.16 km) |
| Gourock to Zary | 863.53 mi (1,389.71 km) |
| Gourock to Zawiercie | 1,064.10 mi (1,712.51 km) |
| Gourock to Zdunska Wola | 1,010.79 mi (1,626.70 km) |
| Gourock to Zdzieszowice | 1,017.91 mi (1,638.17 km) |
| Gourock to Zgierz | 1,020.47 mi (1,642.28 km) |
| Gourock to Zgorzelec | 875.01 mi (1,408.19 km) |
| Gourock to Ziebice | 970.38 mi (1,561.68 km) |
| Gourock to Zielona Gora | 867.93 mi (1,396.80 km) |
| Gourock to Zielonka | 1,074.62 mi (1,729.43 km) |
| Gourock to Zlocieniec | 844.14 mi (1,358.51 km) |
| Gourock to Zlotoryja | 909.77 mi (1,464.13 km) |
| Gourock to Zlotow | 887.85 mi (1,428.85 km) |
| Gourock to Znin | 926.16 mi (1,490.52 km) |
