| Porsgrunn to Lubeck | 364.35 mi (586.37 km) |
| Porsgrunn to Luchow | 428.44 mi (689.51 km) |
| Porsgrunn to Luckau | 525.71 mi (846.04 km) |
| Porsgrunn to Luckenwalde | 504.10 mi (811.27 km) |
| Porsgrunn to Ludenscheid | 551.81 mi (888.05 km) |
| Porsgrunn to Ludinghausen | 515.46 mi (829.56 km) |
| Porsgrunn to Ludwigsburg | 706.31 mi (1,136.70 km) |
| Porsgrunn to Ludwigsfelde | 490.69 mi (789.69 km) |
| Porsgrunn to Ludwigshafen | 667.63 mi (1,074.44 km) |
| Porsgrunn to Ludwigslust | 405.94 mi (653.30 km) |
| Porsgrunn to Lugde | 495.42 mi (797.30 km) |
| Porsgrunn to Luneburg | 406.00 mi (653.39 km) |
| Porsgrunn to Lunen | 525.16 mi (845.16 km) |
| Porsgrunn to Lutzen | 551.10 mi (886.92 km) |
| Porsgrunn to Magdeburg | 488.32 mi (785.88 km) |
