| Leiden to Rockville (Maryland) | 3,831.47 mi (6,166.15 km) |
| Leiden to Rockville Centre (New York) | 3,619.54 mi (5,825.09 km) |
| Leiden to Rockwall (Texas) | 4,880.62 mi (7,854.60 km) |
| Leiden to Rocky Mount (North Carolina) | 4,005.10 mi (6,445.59 km) |
| Leiden to Rocky Point (New York) | 3,579.45 mi (5,760.57 km) |
| Leiden to Rocky River (Ohio) | 3,902.03 mi (6,279.71 km) |
| Leiden to Roessleville (New York) | 3,535.24 mi (5,689.42 km) |
| Leiden to Rogers (Arkansas) | 4,617.61 mi (7,431.33 km) |
| Leiden to Rogers (Minnesota) | 4,147.65 mi (6,674.99 km) |
| Leiden to Rohnert Park (California) | 5,424.56 mi (8,729.99 km) |
| Leiden to Rolla (Missouri) | 4,445.84 mi (7,154.89 km) |
| Leiden to Rolling Meadows (Illinois) | 4,103.36 mi (6,603.71 km) |
| Leiden to Roma (Texas) | 5,327.60 mi (8,573.94 km) |
| Leiden to Rome (Georgia) | 4,381.61 mi (7,051.53 km) |
| Leiden to Rome (New York) | 3,577.90 mi (5,758.07 km) |
