| Porsgrunn to Lanester | 946.96 mi (1,523.99 km) |
| Porsgrunn to Lannion | 891.92 mi (1,435.41 km) |
| Porsgrunn to Laon | 703.31 mi (1,131.87 km) |
| Porsgrunn to Lattes | 1,102.09 mi (1,773.65 km) |
| Porsgrunn to Launaguet | 1,122.67 mi (1,806.76 km) |
| Porsgrunn to Laval | 873.31 mi (1,405.46 km) |
| Porsgrunn to Lavaur | 1,116.33 mi (1,796.55 km) |
| Porsgrunn to Laxou | 734.79 mi (1,182.53 km) |
| Porsgrunn to Le Beausset | 1,112.26 mi (1,790.02 km) |
| Porsgrunn to Le Blanc-Mesnil | 761.17 mi (1,224.98 km) |
| Porsgrunn to Le Bourget | 762.02 mi (1,226.34 km) |
| Porsgrunn to Le Bouscat | 1,075.02 mi (1,730.08 km) |
| Porsgrunn to Le Cannet | 1,079.66 mi (1,737.55 km) |
| Porsgrunn to Le Chambon-Feugerolles | 974.12 mi (1,567.70 km) |
| Porsgrunn to Le Chesnay | 774.02 mi (1,245.66 km) |
