| Potomac to Leawood (Kansas) | 935.11 mi (1,504.91 km) |
| Potomac to Lebanon (Indiana) | 498.32 mi (801.97 km) |
| Potomac to Lebanon (Missouri) | 842.20 mi (1,355.39 km) |
| Potomac to Lebanon (New Hampshire) | 409.33 mi (658.74 km) |
| Potomac to Lebanon (Ohio) | 376.69 mi (606.23 km) |
| Potomac to Lebanon (Oregon) | 2,354.85 mi (3,789.77 km) |
| Potomac to Lebanon (Pennsylvania) | 100.45 mi (161.66 km) |
| Potomac to Lebanon (Tennessee) | 537.02 mi (864.26 km) |
| Potomac to Lee's Summit (Missouri) | 921.98 mi (1,483.78 km) |
| Potomac to Leeds (Alabama) | 643.79 mi (1,036.09 km) |
| Potomac to Leesburg (Florida) | 757.30 mi (1,218.76 km) |
| Potomac to Leesburg (Virginia) | 20.33 mi (32.72 km) |
| Potomac to Lehi (Utah) | 1,833.83 mi (2,951.26 km) |
| Potomac to Lehigh Acres (Florida) | 894.59 mi (1,439.71 km) |
| Potomac to Leisure City (Florida) | 953.00 mi (1,533.71 km) |
