| Porsgrunn to Gaeta | 1,247.91 mi (2,008.31 km) |
| Porsgrunn to Gaggiano | 947.74 mi (1,525.24 km) |
| Porsgrunn to Galatina | 1,360.28 mi (2,189.16 km) |
| Porsgrunn to Galatone | 1,360.23 mi (2,189.07 km) |
| Porsgrunn to Galbiate | 920.12 mi (1,480.79 km) |
| Porsgrunn to Gallarate | 930.14 mi (1,496.91 km) |
| Porsgrunn to Galliate | 942.84 mi (1,517.35 km) |
| Porsgrunn to Gallipoli | 1,365.72 mi (2,197.91 km) |
| Porsgrunn to Gambettola | 1,042.21 mi (1,677.28 km) |
| Porsgrunn to Gambolo | 958.08 mi (1,541.87 km) |
| Porsgrunn to Garbagnate Milanese | 935.79 mi (1,506.00 km) |
| Porsgrunn to Gardone Val Trompia | 928.29 mi (1,493.94 km) |
| Porsgrunn to Garlasco | 962.05 mi (1,548.26 km) |
| Porsgrunn to Gassino Torinese | 969.72 mi (1,560.61 km) |
| Porsgrunn to Gatteo | 1,043.59 mi (1,679.50 km) |
