| Hemel Hempstead to Ridgeland (Mississippi) | 4,484.98 mi (7,217.88 km) |
| Hemel Hempstead to Ridgewood (New Jersey) | 3,434.63 mi (5,527.51 km) |
| Hemel Hempstead to Rifle (Colorado) | 4,769.35 mi (7,675.52 km) |
| Hemel Hempstead to Rincon (Georgia) | 4,129.30 mi (6,645.47 km) |
| Hemel Hempstead to Ringwood (New Jersey) | 3,435.83 mi (5,529.43 km) |
| Hemel Hempstead to Río Grande (Puerto Rico) | 4,179.98 mi (6,727.03 km) |
| Hemel Hempstead to Rio Grande City (Texas) | 5,142.69 mi (8,276.36 km) |
| Hemel Hempstead to Rio Linda (California) | 5,249.87 mi (8,448.85 km) |
| Hemel Hempstead to Rio Rancho (New Mexico) | 4,960.41 mi (7,983.02 km) |
| Hemel Hempstead to Rio Rico (Arizona) | 5,318.91 mi (8,559.96 km) |
| Hemel Hempstead to Ripon (California) | 5,295.34 mi (8,522.02 km) |
| Hemel Hempstead to River Edge (New Jersey) | 3,434.02 mi (5,526.52 km) |
| Hemel Hempstead to River Falls (Wisconsin) | 3,972.07 mi (6,392.43 km) |
| Hemel Hempstead to River Forest (Illinois) | 3,933.16 mi (6,329.81 km) |
| Hemel Hempstead to River Grove (Illinois) | 3,932.49 mi (6,328.74 km) |
