| Porsgrunn to Lauda-Konigshofen | 659.63 mi (1,061.58 km) |
| Porsgrunn to Lauenburg | 397.42 mi (639.58 km) |
| Porsgrunn to Lauf | 666.61 mi (1,072.81 km) |
| Porsgrunn to Laufenburg (Baden) | 800.85 mi (1,288.84 km) |
| Porsgrunn to Lauffen am Neckar | 693.53 mi (1,116.13 km) |
| Porsgrunn to Lauingen | 729.44 mi (1,173.93 km) |
| Porsgrunn to Laupheim | 752.23 mi (1,210.60 km) |
| Porsgrunn to Lauterbach | 585.89 mi (942.90 km) |
| Porsgrunn to Lebach | 679.89 mi (1,094.18 km) |
| Porsgrunn to Leer | 415.70 mi (669.01 km) |
| Porsgrunn to Lehre | 471.22 mi (758.35 km) |
| Porsgrunn to Lehrte | 466.41 mi (750.61 km) |
| Porsgrunn to Leichlingen | 562.71 mi (905.59 km) |
| Porsgrunn to Leimen | 676.10 mi (1,088.08 km) |
| Porsgrunn to Leinefelde | 534.81 mi (860.69 km) |
