| Hemel Hempstead to Rosemont (California) | 5,255.40 mi (8,457.74 km) |
| Hemel Hempstead to Rosemount (Minnesota) | 3,993.29 mi (6,426.58 km) |
| Hemel Hempstead to Rosenberg (Texas) | 4,857.57 mi (7,817.50 km) |
| Hemel Hempstead to Roseville (California) | 5,241.48 mi (8,435.34 km) |
| Hemel Hempstead to Roseville (Michigan) | 3,717.89 mi (5,983.37 km) |
| Hemel Hempstead to Roseville (Minnesota) | 3,983.79 mi (6,411.29 km) |
| Hemel Hempstead to Rossmoor (California) | 5,428.13 mi (8,735.72 km) |
| Hemel Hempstead to Rossville (Maryland) | 3,602.36 mi (5,797.44 km) |
| Hemel Hempstead to Roswell (Georgia) | 4,171.72 mi (6,713.73 km) |
| Hemel Hempstead to Roswell (New Mexico) | 4,985.55 mi (8,023.47 km) |
| Hemel Hempstead to Round Lake (Illinois) | 3,923.12 mi (6,313.65 km) |
| Hemel Hempstead to Round Lake Beach (Illinois) | 3,920.52 mi (6,309.47 km) |
| Hemel Hempstead to Round Rock (Texas) | 4,878.14 mi (7,850.61 km) |
| Hemel Hempstead to Rowland Heights (California) | 5,411.58 mi (8,709.10 km) |
| Hemel Hempstead to Rowlett (Texas) | 4,710.67 mi (7,581.10 km) |
