| South Portland to Gdynia | 3,815.54 mi (6,140.52 km) |
| South Portland to Giszowiec | 3,980.92 mi (6,406.67 km) |
| South Portland to Gizycko | 3,944.53 mi (6,348.11 km) |
| South Portland to Gliwice | 3,963.98 mi (6,379.41 km) |
| South Portland to Glogow | 3,819.19 mi (6,146.39 km) |
| South Portland to Glogow Malopolski | 4,092.29 mi (6,585.91 km) |
| South Portland to Glowno | 3,943.87 mi (6,347.05 km) |
| South Portland to Glubczyce | 3,934.83 mi (6,332.49 km) |
| South Portland to Glucholazy | 3,913.73 mi (6,298.54 km) |
| South Portland to Gniezno | 3,846.56 mi (6,190.44 km) |
| South Portland to Goldap | 3,953.99 mi (6,363.32 km) |
| South Portland to Goleniow | 3,711.78 mi (5,973.54 km) |
| South Portland to Golub-Dobrzyn | 3,880.63 mi (6,245.28 km) |
| South Portland to Gora | 3,836.60 mi (6,174.41 km) |
| South Portland to Gora Kalwaria | 3,998.46 mi (6,434.89 km) |
