| Porsgrunn to Grobenzell | 757.18 mi (1,218.56 km) |
| Porsgrunn to Gronau | 488.06 mi (785.46 km) |
| Porsgrunn to Gross Kreutz | 479.03 mi (770.92 km) |
| Porsgrunn to Gross-Gerau | 637.28 mi (1,025.60 km) |
| Porsgrunn to Gross-Umstadt | 639.79 mi (1,029.64 km) |
| Porsgrunn to Gross-Zimmern | 639.58 mi (1,029.31 km) |
| Porsgrunn to Grossbeeren | 487.44 mi (784.47 km) |
| Porsgrunn to Grossbottwar | 699.02 mi (1,124.97 km) |
| Porsgrunn to Grossburgwedel | 457.59 mi (736.42 km) |
| Porsgrunn to Grossenhain | 561.71 mi (903.99 km) |
| Porsgrunn to Grossenkneten | 429.60 mi (691.38 km) |
| Porsgrunn to Grossenluder | 588.93 mi (947.79 km) |
| Porsgrunn to Grosshansdorf | 377.08 mi (606.85 km) |
| Porsgrunn to Grossostheim | 636.07 mi (1,023.66 km) |
| Porsgrunn to Grossraschen | 546.77 mi (879.94 km) |
