| Leiden to Keizer (Oregon) | 5,035.80 mi (8,104.33 km) |
| Leiden to Keller (Texas) | 4,908.84 mi (7,900.02 km) |
| Leiden to Kelso (Washington) | 4,965.94 mi (7,991.90 km) |
| Leiden to Kemp Mill (Maryland) | 3,828.15 mi (6,160.81 km) |
| Leiden to Ken Caryl (Colorado) | 4,826.08 mi (7,766.83 km) |
| Leiden to Kendale Lakes (Florida) | 4,624.96 mi (7,443.15 km) |
| Leiden to Kendall (Florida) | 4,624.78 mi (7,442.87 km) |
| Leiden to Kendall Park (New Jersey) | 3,667.58 mi (5,902.40 km) |
| Leiden to Kendall West (Florida) | 4,626.32 mi (7,445.35 km) |
| Leiden to Kenmore (New York) | 3,719.54 mi (5,986.01 km) |
| Leiden to Kenmore (Washington) | 4,854.02 mi (7,811.79 km) |
| Leiden to Kenner (Louisiana) | 4,798.41 mi (7,722.30 km) |
| Leiden to Kennesaw (Georgia) | 4,371.37 mi (7,035.03 km) |
| Leiden to Kennett (Missouri) | 4,468.76 mi (7,191.78 km) |
| Leiden to Kennewick (Washington) | 4,867.74 mi (7,833.86 km) |
