| South Portland to Zirndorf | 3,690.87 mi (5,939.88 km) |
| South Portland to Zittau | 3,795.80 mi (6,108.75 km) |
| South Portland to Zorbig | 3,669.58 mi (5,905.63 km) |
| South Portland to Zorneding | 3,770.38 mi (6,067.83 km) |
| South Portland to Zossen | 3,702.02 mi (5,957.83 km) |
| South Portland to Zschopau | 3,733.30 mi (6,008.17 km) |
| South Portland to Zulpich | 3,481.62 mi (5,603.13 km) |
| South Portland to Zweibrucken | 3,552.15 mi (5,716.63 km) |
| South Portland to Zwenkau | 3,689.86 mi (5,938.26 km) |
| South Portland to Zwickau | 3,712.31 mi (5,974.38 km) |
| South Portland to Zwiesel | 3,795.96 mi (6,109.01 km) |
| South Portland to Zwonitz | 3,727.15 mi (5,998.27 km) |
| South Portland to Acharnes | 4,651.14 mi (7,485.28 km) |
| South Portland to Agia Paraskevi | 4,657.91 mi (7,496.18 km) |
| South Portland to Agia Varvara | 4,651.17 mi (7,485.34 km) |
