| Porsgrunn to Berndorf | 814.50 mi (1,310.81 km) |
| Porsgrunn to Bischofshofen | 820.90 mi (1,321.11 km) |
| Porsgrunn to Bludenz | 826.53 mi (1,330.17 km) |
| Porsgrunn to Braunau am Inn | 762.15 mi (1,226.56 km) |
| Porsgrunn to Bregenz | 802.22 mi (1,291.04 km) |
| Porsgrunn to Bruck an der Mur | 840.02 mi (1,351.88 km) |
| Porsgrunn to Brunn am Gebirge | 806.02 mi (1,297.16 km) |
| Porsgrunn to Deutsch-Wagram | 797.17 mi (1,282.92 km) |
| Porsgrunn to Deutschlandsberg | 879.41 mi (1,415.28 km) |
| Porsgrunn to Dornbirn | 808.32 mi (1,300.86 km) |
| Porsgrunn to Ebreichsdorf | 817.27 mi (1,315.28 km) |
| Porsgrunn to Eisenstadt | 826.13 mi (1,329.53 km) |
| Porsgrunn to Engerwitzdorf | 768.61 mi (1,236.96 km) |
| Porsgrunn to Enns | 777.40 mi (1,251.11 km) |
| Porsgrunn to Feldbach | 877.64 mi (1,412.42 km) |
