| Rockville to Leland (North Carolina) | 340.57 mi (548.09 km) |
| Rockville to Lemay (Missouri) | 707.30 mi (1,138.29 km) |
| Rockville to Lemon Grove (California) | 2,255.88 mi (3,630.48 km) |
| Rockville to Lemon Hill (California) | 2,361.69 mi (3,800.77 km) |
| Rockville to Lemont (Illinois) | 596.83 mi (960.50 km) |
| Rockville to Lemoore (California) | 2,318.15 mi (3,730.71 km) |
| Rockville to Lenexa (Kansas) | 945.79 mi (1,522.10 km) |
| Rockville to Lennox (California) | 2,295.79 mi (3,694.71 km) |
| Rockville to Lenoir (North Carolina) | 324.68 mi (522.53 km) |
| Rockville to Leominster (Massachusetts) | 368.23 mi (592.60 km) |
| Rockville to Leon Valley (Texas) | 1,387.60 mi (2,233.13 km) |
| Rockville to Levelland (Texas) | 1,448.47 mi (2,331.09 km) |
| Rockville to Levittown (New York) | 223.87 mi (360.28 km) |
| Rockville to Levittown (Pennsylvania) | 143.09 mi (230.29 km) |
| Rockville to Lewisburg (Tennessee) | 585.79 mi (942.74 km) |
