| Rockville to Leawood (Kansas) | 936.78 mi (1,507.60 km) |
| Rockville to Lebanon (Indiana) | 499.48 mi (803.84 km) |
| Rockville to Lebanon (Missouri) | 844.42 mi (1,358.97 km) |
| Rockville to Lebanon (New Hampshire) | 404.25 mi (650.57 km) |
| Rockville to Lebanon (Ohio) | 378.26 mi (608.75 km) |
| Rockville to Lebanon (Oregon) | 2,354.79 mi (3,789.66 km) |
| Rockville to Lebanon (Pennsylvania) | 95.23 mi (153.25 km) |
| Rockville to Lebanon (Tennessee) | 540.53 mi (869.90 km) |
| Rockville to Lee's Summit (Missouri) | 923.66 mi (1,486.48 km) |
| Rockville to Leeds (Alabama) | 648.17 mi (1,043.12 km) |
| Rockville to Leesburg (Florida) | 762.53 mi (1,227.17 km) |
| Rockville to Leesburg (Virginia) | 21.46 mi (34.53 km) |
| Rockville to Lehi (Utah) | 1,834.69 mi (2,952.65 km) |
| Rockville to Lehigh Acres (Florida) | 899.79 mi (1,448.08 km) |
| Rockville to Leisure City (Florida) | 958.13 mi (1,541.96 km) |
