| Potomac to Lindon (Utah) | 1,826.55 mi (2,939.55 km) |
| Potomac to Lindsay (California) | 2,281.07 mi (3,671.02 km) |
| Potomac to Linganore (Maryland) | 28.13 mi (45.27 km) |
| Potomac to Lino Lakes (Minnesota) | 916.70 mi (1,475.28 km) |
| Potomac to Linthicum (Maryland) | 31.52 mi (50.73 km) |
| Potomac to Linton Hall (Virginia) | 27.19 mi (43.76 km) |
| Potomac to Lisle (Illinois) | 603.97 mi (972.00 km) |
| Potomac to Lithia Springs (Georgia) | 549.73 mi (884.70 km) |
| Potomac to Little Canada (Minnesota) | 913.17 mi (1,469.61 km) |
| Potomac to Little Chute (Wisconsin) | 679.43 mi (1,093.43 km) |
| Potomac to Little Elm (Texas) | 1,170.09 mi (1,883.08 km) |
| Potomac to Little Ferry (New Jersey) | 209.69 mi (337.46 km) |
| Potomac to Little Rock (Arkansas) | 887.66 mi (1,428.54 km) |
| Potomac to Littleton (Colorado) | 1,482.21 mi (2,385.39 km) |
| Potomac to Live Oak (California) | 2,417.76 mi (3,891.00 km) |
