| South San Francisco to Zambrow | 5,826.22 mi (9,376.40 km) |
| South San Francisco to Zamosc | 5,985.20 mi (9,632.25 km) |
| South San Francisco to Zary | 5,756.72 mi (9,264.55 km) |
| South San Francisco to Zawiercie | 5,919.52 mi (9,526.54 km) |
| South San Francisco to Zdunska Wola | 5,843.77 mi (9,404.63 km) |
| South San Francisco to Zdzieszowice | 5,896.05 mi (9,488.77 km) |
| South San Francisco to Zgierz | 5,838.26 mi (9,395.77 km) |
| South San Francisco to Zgorzelec | 5,781.96 mi (9,305.17 km) |
| South San Francisco to Ziebice | 5,860.84 mi (9,432.11 km) |
| South San Francisco to Zielona Gora | 5,747.63 mi (9,249.92 km) |
| South San Francisco to Zielonka | 5,846.61 mi (9,409.21 km) |
| South San Francisco to Zlocieniec | 5,665.84 mi (9,118.28 km) |
| South San Francisco to Zlotoryja | 5,803.97 mi (9,340.58 km) |
| South San Francisco to Zlotow | 5,697.85 mi (9,169.80 km) |
| South San Francisco to Znin | 5,742.15 mi (9,241.11 km) |
