| Porsgrunn to Lacarak | 1,058.77 mi (1,703.92 km) |
| Porsgrunn to Lajkovac | 1,109.87 mi (1,786.16 km) |
| Porsgrunn to Lapovo | 1,137.78 mi (1,831.08 km) |
| Porsgrunn to Lebane | 1,230.86 mi (1,980.87 km) |
| Porsgrunn to Leskovac | 1,229.39 mi (1,978.51 km) |
| Porsgrunn to Ljig | 1,120.50 mi (1,803.28 km) |
| Porsgrunn to Ljubovija | 1,108.89 mi (1,784.58 km) |
| Porsgrunn to Loznica | 1,083.88 mi (1,744.34 km) |
| Porsgrunn to Lucani | 1,141.91 mi (1,837.73 km) |
| Porsgrunn to Majdanpek | 1,138.07 mi (1,831.55 km) |
| Porsgrunn to Mali Idos | 1,014.48 mi (1,632.64 km) |
| Porsgrunn to Mali Zvornik | 1,091.09 mi (1,755.93 km) |
| Porsgrunn to Malo Crnice | 1,116.40 mi (1,796.67 km) |
| Porsgrunn to Medveda | 1,233.62 mi (1,985.33 km) |
| Porsgrunn to Merosina | 1,206.86 mi (1,942.25 km) |
