| Portsmouth to Lawndale (California) | 5,454.38 mi (8,777.98 km) |
| Portsmouth to Lawrence (Indiana) | 3,960.74 mi (6,374.19 km) |
| Portsmouth to Lawrence (Kansas) | 4,363.88 mi (7,022.99 km) |
| Portsmouth to Lawrence (Massachusetts) | 3,237.35 mi (5,210.00 km) |
| Portsmouth to Lawrenceburg (Kentucky) | 4,001.82 mi (6,440.30 km) |
| Portsmouth to Lawrenceburg (Tennessee) | 4,231.53 mi (6,809.99 km) |
| Portsmouth to Lawrenceville (Georgia) | 4,156.64 mi (6,689.47 km) |
| Portsmouth to Lawton (Oklahoma) | 4,701.37 mi (7,566.12 km) |
| Portsmouth to Layton (Utah) | 4,847.19 mi (7,800.80 km) |
| Portsmouth to Le Mars (Iowa) | 4,212.63 mi (6,779.57 km) |
| Portsmouth to League City (Texas) | 4,832.80 mi (7,777.64 km) |
| Portsmouth to Lealman (Florida) | 4,399.96 mi (7,081.06 km) |
| Portsmouth to Leander (Texas) | 4,887.01 mi (7,864.88 km) |
| Portsmouth to Leavenworth (Kansas) | 4,333.20 mi (6,973.61 km) |
| Portsmouth to Leawood (Kansas) | 4,342.15 mi (6,988.01 km) |
