| Leiden to Romeoville (Illinois) | 4,127.61 mi (6,642.74 km) |
| Leiden to Romulus (Michigan) | 3,923.79 mi (6,314.73 km) |
| Leiden to Ronkonkoma (New York) | 3,592.85 mi (5,782.14 km) |
| Leiden to Roosevelt (New York) | 3,616.68 mi (5,820.48 km) |
| Leiden to Rosamond (California) | 5,503.98 mi (8,857.80 km) |
| Leiden to Rosaryville (Maryland) | 3,833.24 mi (6,169.00 km) |
| Leiden to Roscoe (Illinois) | 4,122.05 mi (6,633.79 km) |
| Leiden to Rose Hill (Virginia) | 3,843.47 mi (6,185.47 km) |
| Leiden to Roseburg (Oregon) | 5,150.09 mi (8,288.27 km) |
| Leiden to Rosedale (California) | 5,502.36 mi (8,855.20 km) |
| Leiden to Rosedale (Maryland) | 3,794.56 mi (6,106.75 km) |
| Leiden to Roselle (Illinois) | 4,110.13 mi (6,614.62 km) |
| Leiden to Roselle (New Jersey) | 3,644.72 mi (5,865.61 km) |
| Leiden to Roselle Park (New Jersey) | 3,644.42 mi (5,865.12 km) |
| Leiden to Rosemead (California) | 5,546.87 mi (8,926.83 km) |
