| London Colney to Robertsville (New Jersey) | 3,477.46 mi (5,596.42 km) |
| London Colney to Robinson (Texas) | 4,816.14 mi (7,750.82 km) |
| London Colney to Robstown (Texas) | 5,029.67 mi (8,094.48 km) |
| London Colney to Rochester (Michigan) | 3,724.26 mi (5,993.61 km) |
| London Colney to Rochester (Minnesota) | 4,013.71 mi (6,459.44 km) |
| London Colney to Rochester (New Hampshire) | 3,217.21 mi (5,177.60 km) |
| London Colney to Rochester (New York) | 3,488.15 mi (5,613.63 km) |
| London Colney to Rochester Hills (Michigan) | 3,726.66 mi (5,997.48 km) |
| London Colney to Rock Hill (South Carolina) | 4,000.12 mi (6,437.58 km) |
| London Colney to Rock Island (Illinois) | 4,064.68 mi (6,541.47 km) |
| London Colney to Rock Springs (Wyoming) | 4,713.93 mi (7,586.33 km) |
| London Colney to Rockford (Illinois) | 3,970.36 mi (6,389.68 km) |
| London Colney to Rockledge (Florida) | 4,312.61 mi (6,940.48 km) |
| London Colney to Rocklin (California) | 5,243.57 mi (8,438.70 km) |
| London Colney to Rockport (Texas) | 4,993.77 mi (8,036.69 km) |
