| Porsgrunn to Feldkirchen | 874.98 mi (1,408.14 km) |
| Porsgrunn to Furstenfeld | 873.64 mi (1,405.99 km) |
| Porsgrunn to Ganserndorf | 796.64 mi (1,282.08 km) |
| Porsgrunn to Gerasdorf bei Wien | 796.11 mi (1,281.21 km) |
| Porsgrunn to Gleisdorf | 865.56 mi (1,392.99 km) |
| Porsgrunn to Gmunden | 791.33 mi (1,273.52 km) |
| Porsgrunn to Gotzis | 814.02 mi (1,310.04 km) |
| Porsgrunn to Graz | 864.71 mi (1,391.62 km) |
| Porsgrunn to Gross-Enzersdorf | 803.51 mi (1,293.13 km) |
| Porsgrunn to Guntramsdorf | 810.30 mi (1,304.06 km) |
| Porsgrunn to Hall in Tirol | 820.81 mi (1,320.96 km) |
| Porsgrunn to Hallein | 802.90 mi (1,292.14 km) |
| Porsgrunn to Hard | 803.31 mi (1,292.80 km) |
| Porsgrunn to Hohenems | 811.77 mi (1,306.42 km) |
| Porsgrunn to Hollabrunn | 772.94 mi (1,243.92 km) |
