| Round Rock to Lake Shore (Maryland) | 1,334.96 mi (2,148.40 km) |
| Round Rock to Lake St. Louis (Missouri) | 691.03 mi (1,112.11 km) |
| Round Rock to Lake Station (Indiana) | 957.72 mi (1,541.31 km) |
| Round Rock to Lake Stevens (Washington) | 1,765.06 mi (2,840.60 km) |
| Round Rock to Lake Stickney (Washington) | 1,766.32 mi (2,842.61 km) |
| Round Rock to Lake Tapps (Washington) | 1,738.47 mi (2,797.79 km) |
| Round Rock to Lake Wales (Florida) | 984.60 mi (1,584.55 km) |
| Round Rock to Lake Wylie (South Carolina) | 1,012.71 mi (1,629.79 km) |
| Round Rock to Lake Zurich (Illinois) | 964.95 mi (1,552.94 km) |
| Round Rock to Lakeland (Florida) | 961.09 mi (1,546.72 km) |
| Round Rock to Lakeland (Tennessee) | 564.23 mi (908.03 km) |
| Round Rock to Lakeland Highlands (Florida) | 963.05 mi (1,549.88 km) |
| Round Rock to Lakeland North (Washington) | 1,746.86 mi (2,811.30 km) |
| Round Rock to Lakeland South (Washington) | 1,744.72 mi (2,807.85 km) |
| Round Rock to Lakeland Village (California) | 1,171.67 mi (1,885.62 km) |
