| Darton to Rockville (Maryland) | 3,562.10 mi (5,732.64 km) |
| Darton to Rockville Centre (New York) | 3,350.36 mi (5,391.89 km) |
| Darton to Rockwall (Texas) | 4,612.15 mi (7,422.53 km) |
| Darton to Rocky Mount (North Carolina) | 3,736.46 mi (6,013.26 km) |
| Darton to Rocky Point (New York) | 3,310.33 mi (5,327.46 km) |
| Darton to Rocky River (Ohio) | 3,632.62 mi (5,846.14 km) |
| Darton to Roessleville (New York) | 3,265.65 mi (5,255.55 km) |
| Darton to Rogers (Arkansas) | 4,349.55 mi (6,999.93 km) |
| Darton to Rogers (Minnesota) | 3,884.69 mi (6,251.81 km) |
| Darton to Rohnert Park (California) | 5,183.85 mi (8,342.61 km) |
| Darton to Rolla (Missouri) | 4,177.60 mi (6,723.20 km) |
| Darton to Rolling Meadows (Illinois) | 3,835.62 mi (6,172.83 km) |
| Darton to Roma (Texas) | 5,058.29 mi (8,140.52 km) |
| Darton to Rome (Georgia) | 4,112.02 mi (6,617.66 km) |
| Darton to Rome (New York) | 3,308.23 mi (5,324.09 km) |
