| Potomac to Lizzano | 4,760.38 mi (7,661.09 km) |
| Potomac to Locate di Triulzi | 4,227.28 mi (6,803.16 km) |
| Potomac to Locorotondo | 4,741.07 mi (7,630.02 km) |
| Potomac to Locri | 4,790.25 mi (7,709.16 km) |
| Potomac to Lodi | 4,240.53 mi (6,824.47 km) |
| Potomac to Lomazzo | 4,208.21 mi (6,772.46 km) |
| Potomac to Lonate Pozzolo | 4,199.25 mi (6,758.04 km) |
| Potomac to Lonigo | 4,318.79 mi (6,950.42 km) |
| Potomac to Loreto | 4,480.94 mi (7,211.38 km) |
| Potomac to Loria | 4,327.56 mi (6,964.53 km) |
| Potomac to Lucca | 4,332.54 mi (6,972.55 km) |
| Potomac to Lucera | 4,626.10 mi (7,444.99 km) |
| Potomac to Lugo | 4,374.19 mi (7,039.57 km) |
| Potomac to Luino | 4,186.59 mi (6,737.66 km) |
| Potomac to Lurate Caccivio | 4,204.66 mi (6,766.75 km) |
