| Cities | Distance |
|---|---|
| Porsgrunn to Legnica | 602.10 mi (968.98 km) |
| Porsgrunn to Leszno | 569.12 mi (915.91 km) |
| Porsgrunn to Lezajsk | 792.27 mi (1,275.03 km) |
| Porsgrunn to Libiaz | 730.39 mi (1,175.44 km) |
| Porsgrunn to Lidzbark | 559.93 mi (901.12 km) |
| Porsgrunn to Lidzbark Warminski | 537.56 mi (865.11 km) |
| Porsgrunn to Limanowa | 778.24 mi (1,252.46 km) |
| Porsgrunn to Lipno | 565.52 mi (910.11 km) |
| Porsgrunn to Lobez | 440.71 mi (709.25 km) |
| Porsgrunn to Lodz | 633.43 mi (1,019.41 km) |
| Porsgrunn to Lomianki | 637.63 mi (1,026.16 km) |
| Porsgrunn to Lomza | 626.64 mi (1,008.48 km) |
| Porsgrunn to Lowicz | 626.42 mi (1,008.12 km) |
| Porsgrunn to Lubaczow | 816.24 mi (1,313.62 km) |
| Porsgrunn to Luban | 594.43 mi (956.64 km) |