| London Colney to Rosemont (California) | 5,261.72 mi (8,467.93 km) |
| London Colney to Rosemount (Minnesota) | 4,000.36 mi (6,437.96 km) |
| London Colney to Rosenberg (Texas) | 4,864.94 mi (7,829.37 km) |
| London Colney to Roseville (California) | 5,247.80 mi (8,445.52 km) |
| London Colney to Roseville (Michigan) | 3,725.23 mi (5,995.17 km) |
| London Colney to Roseville (Minnesota) | 3,990.85 mi (6,422.65 km) |
| London Colney to Rossmoor (California) | 5,434.77 mi (8,746.42 km) |
| London Colney to Rossville (Maryland) | 3,609.81 mi (5,809.43 km) |
| London Colney to Roswell (Georgia) | 4,179.17 mi (6,725.72 km) |
| London Colney to Roswell (New Mexico) | 4,992.68 mi (8,034.94 km) |
| London Colney to Round Lake (Illinois) | 3,930.37 mi (6,325.32 km) |
| London Colney to Round Lake Beach (Illinois) | 3,927.78 mi (6,321.14 km) |
| London Colney to Round Rock (Texas) | 4,885.48 mi (7,862.42 km) |
| London Colney to Rowland Heights (California) | 5,418.23 mi (8,719.80 km) |
| London Colney to Rowlett (Texas) | 4,717.99 mi (7,592.86 km) |
