| Boppard to Lake St. Louis (Missouri) | 4,551.20 mi (7,324.45 km) |
| Boppard to Lake Station (Indiana) | 4,283.31 mi (6,893.32 km) |
| Boppard to Lake Stevens (Washington) | 5,020.88 mi (8,080.33 km) |
| Boppard to Lake Stickney (Washington) | 5,032.41 mi (8,098.88 km) |
| Boppard to Lake Tapps (Washington) | 5,068.38 mi (8,156.77 km) |
| Boppard to Lake Wales (Florida) | 4,726.86 mi (7,607.14 km) |
| Boppard to Lake Wylie (South Carolina) | 4,351.87 mi (7,003.66 km) |
| Boppard to Lake Zurich (Illinois) | 4,284.21 mi (6,894.77 km) |
| Boppard to Lakeland (Florida) | 4,735.06 mi (7,620.34 km) |
| Boppard to Lakeland (Tennessee) | 4,687.52 mi (7,543.84 km) |
| Boppard to Lakeland Highlands (Florida) | 4,739.80 mi (7,627.97 km) |
| Boppard to Lakeland North (Washington) | 5,064.74 mi (8,150.91 km) |
| Boppard to Lakeland South (Washington) | 5,068.26 mi (8,156.58 km) |
| Boppard to Lakeland Village (California) | 5,739.21 mi (9,236.37 km) |
| Boppard to Lakeside (California) | 5,771.37 mi (9,288.12 km) |
