| Boppard to Keizer (Oregon) | 5,221.80 mi (8,403.68 km) |
| Boppard to Keller (Texas) | 5,092.52 mi (8,195.61 km) |
| Boppard to Kelso (Washington) | 5,151.63 mi (8,290.75 km) |
| Boppard to Kemp Mill (Maryland) | 4,003.31 mi (6,442.71 km) |
| Boppard to Ken Caryl (Colorado) | 5,014.70 mi (8,070.39 km) |
| Boppard to Kendale Lakes (Florida) | 4,787.84 mi (7,705.28 km) |
| Boppard to Kendall (Florida) | 4,787.55 mi (7,704.82 km) |
| Boppard to Kendall Park (New Jersey) | 3,842.42 mi (6,183.78 km) |
| Boppard to Kendall West (Florida) | 4,789.24 mi (7,707.53 km) |
| Boppard to Kenmore (New York) | 3,899.93 mi (6,276.33 km) |
| Boppard to Kenmore (Washington) | 5,039.40 mi (8,110.14 km) |
| Boppard to Kenner (Louisiana) | 4,975.50 mi (8,007.29 km) |
| Boppard to Kennesaw (Georgia) | 4,547.42 mi (7,318.37 km) |
| Boppard to Kennett (Missouri) | 4,650.38 mi (7,484.06 km) |
| Boppard to Kennewick (Washington) | 5,054.70 mi (8,134.75 km) |
