| Potomac to Leini | 4,167.62 mi (6,707.14 km) |
| Potomac to Lendinara | 4,338.03 mi (6,981.38 km) |
| Potomac to Leno | 4,269.49 mi (6,871.08 km) |
| Potomac to Lentate sul Seveso | 4,212.69 mi (6,779.68 km) |
| Potomac to Lentini | 4,770.44 mi (7,677.28 km) |
| Potomac to Leonforte | 4,729.14 mi (7,610.81 km) |
| Potomac to Lequile | 4,793.81 mi (7,714.90 km) |
| Potomac to Lerici | 4,298.94 mi (6,918.48 km) |
| Potomac to Leverano | 4,792.28 mi (7,712.44 km) |
| Potomac to Licata | 4,728.82 mi (7,610.30 km) |
| Potomac to Limbiate | 4,215.64 mi (6,784.41 km) |
| Potomac to Lipari | 4,722.97 mi (7,600.89 km) |
| Potomac to Lissone | 4,220.15 mi (6,791.68 km) |
| Potomac to Livorno | 4,333.80 mi (6,974.58 km) |
| Potomac to Lizzanello | 4,797.45 mi (7,720.75 km) |
