| Porsgrunn to Grabels | 1,097.61 mi (1,766.43 km) |
| Porsgrunn to Gradignan | 1,081.30 mi (1,740.18 km) |
| Porsgrunn to Grand-Couronne | 758.87 mi (1,221.29 km) |
| Porsgrunn to Grande-Synthe | 630.98 mi (1,015.46 km) |
| Porsgrunn to Granville | 843.06 mi (1,356.78 km) |
| Porsgrunn to Grasse | 1,073.95 mi (1,728.36 km) |
| Porsgrunn to Graulhet | 1,110.06 mi (1,786.46 km) |
| Porsgrunn to Gravelines | 635.91 mi (1,023.39 km) |
| Porsgrunn to Grenade | 1,118.35 mi (1,799.81 km) |
| Porsgrunn to Grenoble | 977.73 mi (1,573.51 km) |
| Porsgrunn to Gretz-Armainvilliers | 769.95 mi (1,239.11 km) |
| Porsgrunn to Grigny | 780.72 mi (1,256.44 km) |
| Porsgrunn to Grigny | 955.43 mi (1,537.62 km) |
| Porsgrunn to Groslay | 759.86 mi (1,222.88 km) |
| Porsgrunn to Guebwiller | 781.04 mi (1,256.97 km) |
