| Porsgrunn to Lingolsheim | 734.07 mi (1,181.38 km) |
| Porsgrunn to Lisieux | 786.55 mi (1,265.83 km) |
| Porsgrunn to Livron-sur-Drome | 1,011.77 mi (1,628.29 km) |
| Porsgrunn to Livry-Gargan | 761.29 mi (1,225.18 km) |
| Porsgrunn to Lognes | 765.32 mi (1,231.66 km) |
| Porsgrunn to Lomme | 642.58 mi (1,034.14 km) |
| Porsgrunn to Longjumeau | 779.61 mi (1,254.65 km) |
| Porsgrunn to Longuenesse | 649.67 mi (1,045.55 km) |
| Porsgrunn to Longvic | 839.04 mi (1,350.30 km) |
| Porsgrunn to Longwy | 681.55 mi (1,096.85 km) |
| Porsgrunn to Lons | 1,173.25 mi (1,888.16 km) |
| Porsgrunn to Lons-le-Saunier | 876.46 mi (1,410.53 km) |
| Porsgrunn to Loos | 644.25 mi (1,036.82 km) |
| Porsgrunn to Lorgues | 1,088.71 mi (1,752.10 km) |
| Porsgrunn to Lorient | 948.25 mi (1,526.06 km) |
