| Rockville to Lake Shore (Maryland) | 35.83 mi (57.66 km) |
| Rockville to Lake St. Louis (Missouri) | 732.33 mi (1,178.58 km) |
| Rockville to Lake Station (Indiana) | 558.95 mi (899.54 km) |
| Rockville to Lake Stevens (Washington) | 2,298.18 mi (3,698.56 km) |
| Rockville to Lake Stickney (Washington) | 2,305.96 mi (3,711.08 km) |
| Rockville to Lake Tapps (Washington) | 2,303.52 mi (3,707.15 km) |
| Rockville to Lake Wales (Florida) | 812.38 mi (1,307.39 km) |
| Rockville to Lake Wylie (South Carolina) | 349.57 mi (562.58 km) |
| Rockville to Lake Zurich (Illinois) | 611.60 mi (984.27 km) |
| Rockville to Lakeland (Florida) | 810.14 mi (1,303.79 km) |
| Rockville to Lakeland (Tennessee) | 740.28 mi (1,191.36 km) |
| Rockville to Lakeland Highlands (Florida) | 816.50 mi (1,314.02 km) |
| Rockville to Lakeland North (Washington) | 2,308.41 mi (3,715.03 km) |
| Rockville to Lakeland South (Washington) | 2,308.66 mi (3,715.43 km) |
| Rockville to Lakeland Village (California) | 2,250.16 mi (3,621.29 km) |
