| Porsgrunn to Les Sorinieres | 946.22 mi (1,522.79 km) |
| Porsgrunn to Lescar | 1,172.67 mi (1,887.23 km) |
| Porsgrunn to Lesquin | 644.18 mi (1,036.70 km) |
| Porsgrunn to Levallois-Perret | 766.71 mi (1,233.89 km) |
| Porsgrunn to Lezignan-Corbieres | 1,138.66 mi (1,832.50 km) |
| Porsgrunn to Libourne | 1,065.50 mi (1,714.76 km) |
| Porsgrunn to Lieusaint | 779.81 mi (1,254.99 km) |
| Porsgrunn to Lievin | 660.28 mi (1,062.62 km) |
| Porsgrunn to Lille | 642.57 mi (1,034.12 km) |
| Porsgrunn to Lillebonne | 757.47 mi (1,219.03 km) |
| Porsgrunn to Lillers | 656.28 mi (1,056.18 km) |
| Porsgrunn to Limay | 769.29 mi (1,238.05 km) |
| Porsgrunn to Limeil-Brevannes | 773.27 mi (1,244.46 km) |
| Porsgrunn to Limoges | 982.21 mi (1,580.72 km) |
| Porsgrunn to Limoux | 1,154.48 mi (1,857.95 km) |
