| Rockville to Lindon (Utah) | 1,827.43 mi (2,940.96 km) |
| Rockville to Lindsay (California) | 2,282.43 mi (3,673.22 km) |
| Rockville to Linganore (Maryland) | 24.06 mi (38.72 km) |
| Rockville to Lino Lakes (Minnesota) | 915.88 mi (1,473.97 km) |
| Rockville to Linthicum (Maryland) | 27.79 mi (44.72 km) |
| Rockville to Linton Hall (Virginia) | 31.99 mi (51.49 km) |
| Rockville to Lisle (Illinois) | 604.14 mi (972.27 km) |
| Rockville to Lithia Springs (Georgia) | 554.36 mi (892.16 km) |
| Rockville to Little Canada (Minnesota) | 912.41 mi (1,468.38 km) |
| Rockville to Little Chute (Wisconsin) | 678.32 mi (1,091.65 km) |
| Rockville to Little Elm (Texas) | 1,173.29 mi (1,888.22 km) |
| Rockville to Little Ferry (New Jersey) | 205.10 mi (330.08 km) |
| Rockville to Little Rock (Arkansas) | 890.91 mi (1,433.78 km) |
| Rockville to Littleton (Colorado) | 1,483.41 mi (2,387.32 km) |
| Rockville to Live Oak (California) | 2,418.89 mi (3,892.83 km) |
