| Portsmouth to Leini | 561.79 mi (904.12 km) |
| Portsmouth to Lendinara | 706.35 mi (1,136.76 km) |
| Portsmouth to Leno | 641.70 mi (1,032.71 km) |
| Portsmouth to Lentate sul Seveso | 587.51 mi (945.50 km) |
| Portsmouth to Lentini | 1,223.90 mi (1,969.68 km) |
| Portsmouth to Leonforte | 1,184.60 mi (1,906.44 km) |
| Portsmouth to Lequile | 1,173.69 mi (1,888.87 km) |
| Portsmouth to Lerici | 691.75 mi (1,113.26 km) |
| Portsmouth to Leverano | 1,172.63 mi (1,887.16 km) |
| Portsmouth to Licata | 1,201.31 mi (1,933.33 km) |
| Portsmouth to Limbiate | 591.48 mi (951.90 km) |
| Portsmouth to Lipari | 1,156.32 mi (1,860.92 km) |
| Portsmouth to Lissone | 594.98 mi (957.52 km) |
| Portsmouth to Livorno | 731.70 mi (1,177.55 km) |
| Portsmouth to Lizzanello | 1,176.75 mi (1,893.79 km) |
