| Portsmouth to Lichtenau | 434.76 mi (699.68 km) |
| Portsmouth to Lichtenfels | 534.44 mi (860.10 km) |
| Portsmouth to Lichtenstein | 598.48 mi (963.16 km) |
| Portsmouth to Lienen | 400.49 mi (644.53 km) |
| Portsmouth to Limbach-Oberfrohna | 602.92 mi (970.30 km) |
| Portsmouth to Limburg | 402.30 mi (647.43 km) |
| Portsmouth to Limburgerhof | 430.40 mi (692.67 km) |
| Portsmouth to Lindau | 535.44 mi (861.70 km) |
| Portsmouth to Lindenberg im Allgau | 542.52 mi (873.11 km) |
| Portsmouth to Lindlar | 369.10 mi (594.01 km) |
| Portsmouth to Lingen | 379.20 mi (610.26 km) |
| Portsmouth to Linkenheim-Hochstetten | 437.41 mi (703.94 km) |
| Portsmouth to Linnich | 320.64 mi (516.02 km) |
| Portsmouth to Lippstadt | 412.26 mi (663.48 km) |
| Portsmouth to Lobau | 684.73 mi (1,101.96 km) |
