| Rockville to Live Oak (Texas) | 1,371.69 mi (2,207.52 km) |
| Rockville to Livermore (California) | 2,393.21 mi (3,851.50 km) |
| Rockville to Livingston (California) | 2,344.68 mi (3,773.40 km) |
| Rockville to Livonia (Michigan) | 397.80 mi (640.19 km) |
| Rockville to Lochearn (Maryland) | 29.09 mi (46.81 km) |
| Rockville to Lockhart (Florida) | 762.80 mi (1,227.61 km) |
| Rockville to Lockhart (Texas) | 1,326.49 mi (2,134.78 km) |
| Rockville to Lockport (Illinois) | 597.84 mi (962.13 km) |
| Rockville to Lockport (New York) | 293.49 mi (472.32 km) |
| Rockville to Lodi (California) | 2,360.39 mi (3,798.69 km) |
| Rockville to Lodi (New Jersey) | 204.59 mi (329.26 km) |
| Rockville to Logan (Utah) | 1,821.62 mi (2,931.61 km) |
| Rockville to Logansport (Indiana) | 500.48 mi (805.45 km) |
| Rockville to Loganville (Georgia) | 521.03 mi (838.52 km) |
| Rockville to Loma Linda (California) | 2,233.82 mi (3,594.98 km) |
