| Rockville to Lake Forest Park (Washington) | 2,307.52 mi (3,713.60 km) |
| Rockville to Lake Grove (New York) | 246.48 mi (396.68 km) |
| Rockville to Lake Havasu City (Arizona) | 2,065.56 mi (3,324.19 km) |
| Rockville to Lake Hopatcong (New Jersey) | 186.95 mi (300.87 km) |
| Rockville to Lake in the Hills (Illinois) | 624.30 mi (1,004.71 km) |
| Rockville to Lake Jackson (Texas) | 1,252.00 mi (2,014.90 km) |
| Rockville to Lake Los Angeles (California) | 2,251.44 mi (3,623.34 km) |
| Rockville to Lake Magdalene (Florida) | 818.79 mi (1,317.72 km) |
| Rockville to Lake Mary (Florida) | 752.28 mi (1,210.68 km) |
| Rockville to Lake Monticello (Virginia) | 102.38 mi (164.76 km) |
| Rockville to Lake Morton-Berrydale (Washington) | 2,300.10 mi (3,701.65 km) |
| Rockville to Lake Norman of Catawba (North Carolina) | 319.58 mi (514.32 km) |
| Rockville to Lake Oswego (Oregon) | 2,337.93 mi (3,762.54 km) |
| Rockville to Lake Ridge (Virginia) | 28.72 mi (46.23 km) |
| Rockville to Lake Ronkonkoma (New York) | 245.72 mi (395.45 km) |
