| Porsgrunn to Imst | 821.64 mi (1,322.31 km) |
| Porsgrunn to Innsbruck | 821.46 mi (1,322.02 km) |
| Porsgrunn to Judenburg | 849.73 mi (1,367.51 km) |
| Porsgrunn to Kapfenberg | 838.31 mi (1,349.13 km) |
| Porsgrunn to Klagenfurt | 884.04 mi (1,422.72 km) |
| Porsgrunn to Klosterneuburg | 793.42 mi (1,276.89 km) |
| Porsgrunn to Knittelfeld | 848.54 mi (1,365.59 km) |
| Porsgrunn to Koflach | 861.40 mi (1,386.28 km) |
| Porsgrunn to Korneuburg | 790.94 mi (1,272.89 km) |
| Porsgrunn to Krems an der Donau | 776.85 mi (1,250.21 km) |
| Porsgrunn to Kufstein | 803.08 mi (1,292.44 km) |
| Porsgrunn to Laakirchen | 787.15 mi (1,266.79 km) |
| Porsgrunn to Lauterach | 804.14 mi (1,294.13 km) |
| Porsgrunn to Leibnitz | 885.21 mi (1,424.62 km) |
| Porsgrunn to Leoben | 840.09 mi (1,352.00 km) |
