| Portimao to Genas | 916.79 mi (1,475.43 km) |
| Portimao to Gennevilliers | 979.62 mi (1,576.55 km) |
| Portimao to Gentilly | 974.33 mi (1,568.03 km) |
| Portimao to Gerzat | 850.43 mi (1,368.63 km) |
| Portimao to Gex | 982.15 mi (1,580.62 km) |
| Portimao to Gien | 923.59 mi (1,486.38 km) |
| Portimao to Gif-sur-Yvette | 962.35 mi (1,548.76 km) |
| Portimao to Gignac-la-Nerthe | 843.50 mi (1,357.49 km) |
| Portimao to Gisors | 984.78 mi (1,584.85 km) |
| Portimao to Givors | 901.97 mi (1,451.57 km) |
| Portimao to Golbey | 1,074.62 mi (1,729.43 km) |
| Portimao to Gonesse | 986.74 mi (1,588.01 km) |
| Portimao to Gonfreville-l'Orcher | 960.07 mi (1,545.09 km) |
| Portimao to Goussainville | 989.90 mi (1,593.09 km) |
| Portimao to Gouvieux | 996.76 mi (1,604.14 km) |
