| Leiden to Oak Harbor (Washington) | 4,831.16 mi (7,775.01 km) |
| Leiden to Oak Hills (Oregon) | 4,999.31 mi (8,045.61 km) |
| Leiden to Oak Lawn (Illinois) | 4,110.89 mi (6,615.85 km) |
| Leiden to Oak Park (California) | 5,560.48 mi (8,948.73 km) |
| Leiden to Oak Park (Illinois) | 4,103.84 mi (6,604.50 km) |
| Leiden to Oak Park (Michigan) | 3,905.59 mi (6,285.44 km) |
| Leiden to Oak Ridge (Florida) | 4,524.34 mi (7,281.22 km) |
| Leiden to Oak Ridge (New Jersey) | 3,636.96 mi (5,853.12 km) |
| Leiden to Oak Ridge (Tennessee) | 4,261.99 mi (6,859.01 km) |
| Leiden to Oakdale (California) | 5,408.70 mi (8,704.46 km) |
| Leiden to Oakdale (Minnesota) | 4,136.39 mi (6,656.88 km) |
| Leiden to Oakland (California) | 5,444.86 mi (8,762.66 km) |
| Leiden to Oakland (New Jersey) | 3,626.88 mi (5,836.90 km) |
| Leiden to Oakland Park (Florida) | 4,590.18 mi (7,387.18 km) |
| Leiden to Oakleaf Plantation (Florida) | 4,454.88 mi (7,169.44 km) |
