| South Portland to Grossrohrsdorf | 3,757.41 mi (6,046.97 km) |
| South Portland to Grunberg | 3,576.20 mi (5,755.34 km) |
| South Portland to Grunheide | 3,709.63 mi (5,970.08 km) |
| South Portland to Grunstadt | 3,575.28 mi (5,753.85 km) |
| South Portland to Grunwald | 3,759.26 mi (6,049.94 km) |
| South Portland to Guben | 3,758.20 mi (6,048.24 km) |
| South Portland to Gudensberg | 3,575.60 mi (5,754.37 km) |
| South Portland to Gummersbach | 3,508.84 mi (5,646.93 km) |
| South Portland to Gundelfingen | 3,608.96 mi (5,808.06 km) |
| South Portland to Gunzburg | 3,694.93 mi (5,946.42 km) |
| South Portland to Gunzenhausen | 3,693.56 mi (5,944.20 km) |
| South Portland to Gustrow | 3,607.08 mi (5,805.03 km) |
| South Portland to Gutersloh | 3,516.66 mi (5,659.51 km) |
| South Portland to Haan | 3,482.62 mi (5,604.74 km) |
| South Portland to Haar | 3,765.77 mi (6,060.41 km) |
