| Potomac to Live Oak (Texas) | 1,367.95 mi (2,201.50 km) |
| Potomac to Livermore (California) | 2,392.17 mi (3,849.83 km) |
| Potomac to Livingston (California) | 2,343.56 mi (3,771.60 km) |
| Potomac to Livonia (Michigan) | 399.05 mi (642.21 km) |
| Potomac to Lochearn (Maryland) | 33.80 mi (54.40 km) |
| Potomac to Lockhart (Florida) | 757.59 mi (1,219.22 km) |
| Potomac to Lockhart (Texas) | 1,322.73 mi (2,128.73 km) |
| Potomac to Lockport (Illinois) | 597.56 mi (961.68 km) |
| Potomac to Lockport (New York) | 297.57 mi (478.89 km) |
| Potomac to Lodi (California) | 2,359.41 mi (3,797.10 km) |
| Potomac to Lodi (New Jersey) | 209.22 mi (336.70 km) |
| Potomac to Logan (Utah) | 1,821.02 mi (2,930.66 km) |
| Potomac to Logansport (Indiana) | 499.84 mi (804.41 km) |
| Potomac to Loganville (Georgia) | 516.27 mi (830.86 km) |
| Potomac to Loma Linda (California) | 2,232.05 mi (3,592.13 km) |
