| Porsgrunn to Leonding | 770.99 mi (1,240.79 km) |
| Porsgrunn to Lienz | 858.14 mi (1,381.04 km) |
| Porsgrunn to Linz | 769.52 mi (1,238.43 km) |
| Porsgrunn to Lustenau | 807.60 mi (1,299.70 km) |
| Porsgrunn to Marchtrenk | 775.56 mi (1,248.14 km) |
| Porsgrunn to Maria Enzersdorf | 806.46 mi (1,297.87 km) |
| Porsgrunn to Mistelbach | 779.64 mi (1,254.72 km) |
| Porsgrunn to Modling | 807.41 mi (1,299.40 km) |
| Porsgrunn to Murzzuschlag | 831.47 mi (1,338.12 km) |
| Porsgrunn to Neunkirchen | 828.55 mi (1,333.43 km) |
| Porsgrunn to Perchtoldsdorf | 805.13 mi (1,295.74 km) |
| Porsgrunn to Purkersdorf | 797.85 mi (1,284.01 km) |
| Porsgrunn to Rankweil | 818.68 mi (1,317.54 km) |
| Porsgrunn to Ried im Innkreis | 768.91 mi (1,237.45 km) |
| Porsgrunn to Rum | 820.39 mi (1,320.29 km) |
