| Potomac to Lubeck | 4,028.54 mi (6,483.32 km) |
| Potomac to Luchow | 4,071.82 mi (6,552.97 km) |
| Potomac to Luckau | 4,202.89 mi (6,763.90 km) |
| Potomac to Luckenwalde | 4,174.72 mi (6,718.56 km) |
| Potomac to Ludenscheid | 3,985.55 mi (6,414.13 km) |
| Potomac to Ludinghausen | 3,962.52 mi (6,377.06 km) |
| Potomac to Ludwigsburg | 4,115.58 mi (6,623.39 km) |
| Potomac to Ludwigsfelde | 4,171.79 mi (6,713.85 km) |
| Potomac to Ludwigshafen | 4,067.35 mi (6,545.77 km) |
| Potomac to Ludwigslust | 4,074.44 mi (6,557.18 km) |
| Potomac to Lugde | 4,028.36 mi (6,483.02 km) |
| Potomac to Luneburg | 4,035.86 mi (6,495.09 km) |
| Potomac to Lunen | 3,969.91 mi (6,388.95 km) |
| Potomac to Lutzen | 4,160.90 mi (6,696.33 km) |
| Potomac to Magdeburg | 4,115.08 mi (6,622.58 km) |
