| Potomac to Lichtenau | 4,024.01 mi (6,476.02 km) |
| Potomac to Lichtenfels | 4,152.09 mi (6,682.15 km) |
| Potomac to Lichtenstein | 4,195.58 mi (6,752.13 km) |
| Potomac to Lienen | 3,973.29 mi (6,394.39 km) |
| Potomac to Limbach-Oberfrohna | 4,196.72 mi (6,753.96 km) |
| Potomac to Limburg | 4,026.32 mi (6,479.74 km) |
| Potomac to Limburgerhof | 4,067.32 mi (6,545.72 km) |
| Potomac to Lindau | 4,177.38 mi (6,722.84 km) |
| Potomac to Lindenberg im Allgau | 4,184.68 mi (6,734.60 km) |
| Potomac to Lindlar | 3,981.17 mi (6,407.08 km) |
| Potomac to Lingen | 3,937.80 mi (6,337.28 km) |
| Potomac to Linkenheim-Hochstetten | 4,076.79 mi (6,560.96 km) |
| Potomac to Linnich | 3,937.67 mi (6,337.06 km) |
| Potomac to Lippstadt | 4,001.25 mi (6,439.39 km) |
| Potomac to Lobau | 4,263.33 mi (6,861.17 km) |
