| Porsgrunn to Gottmadingen | 787.20 mi (1,266.88 km) |
| Porsgrunn to Graben-Neudorf | 689.66 mi (1,109.90 km) |
| Porsgrunn to Grafelfing | 762.99 mi (1,227.92 km) |
| Porsgrunn to Grafenhainichen | 522.14 mi (840.30 km) |
| Porsgrunn to Grafing bei Munchen | 770.03 mi (1,239.24 km) |
| Porsgrunn to Grefrath | 553.47 mi (890.73 km) |
| Porsgrunn to Greifswald | 374.58 mi (602.83 km) |
| Porsgrunn to Greiz | 592.80 mi (954.02 km) |
| Porsgrunn to Grenzach-Wyhlen | 803.36 mi (1,292.88 km) |
| Porsgrunn to Greven | 492.12 mi (792.00 km) |
| Porsgrunn to Grevenbroich | 568.04 mi (914.17 km) |
| Porsgrunn to Grevesmuhlen | 366.87 mi (590.42 km) |
| Porsgrunn to Griesheim | 640.86 mi (1,031.36 km) |
| Porsgrunn to Grimma | 556.95 mi (896.33 km) |
| Porsgrunn to Grimmen | 368.20 mi (592.57 km) |
