| Leiden to Red Bank (New Jersey) | 3,650.88 mi (5,875.52 km) |
| Leiden to Red Bank (Tennessee) | 4,343.49 mi (6,990.18 km) |
| Leiden to Red Bluff (California) | 5,303.24 mi (8,534.74 km) |
| Leiden to Red Hill (South Carolina) | 4,160.30 mi (6,695.36 km) |
| Leiden to Red Oak (Texas) | 4,914.62 mi (7,909.32 km) |
| Leiden to Red Wing (Minnesota) | 4,143.90 mi (6,668.96 km) |
| Leiden to Redan (Georgia) | 4,367.90 mi (7,029.45 km) |
| Leiden to Redding (California) | 5,282.89 mi (8,501.99 km) |
| Leiden to Redland (Maryland) | 3,828.76 mi (6,161.79 km) |
| Leiden to Redlands (California) | 5,520.40 mi (8,884.23 km) |
| Leiden to Redmond (Oregon) | 5,033.00 mi (8,099.82 km) |
| Leiden to Redmond (Washington) | 4,855.24 mi (7,813.76 km) |
| Leiden to Redondo Beach (California) | 5,568.13 mi (8,961.04 km) |
| Leiden to Redwood City (California) | 5,462.32 mi (8,790.75 km) |
| Leiden to Reedley (California) | 5,437.89 mi (8,751.43 km) |
