| Hemel Hempstead to Reidsville (North Carolina) | 3,871.27 mi (6,230.21 km) |
| Hemel Hempstead to Reisterstown (Maryland) | 3,611.67 mi (5,812.43 km) |
| Hemel Hempstead to Rendon (Texas) | 4,754.48 mi (7,651.60 km) |
| Hemel Hempstead to Reno (Nevada) | 5,152.99 mi (8,292.93 km) |
| Hemel Hempstead to Renton (Washington) | 4,765.53 mi (7,669.38 km) |
| Hemel Hempstead to Republic (Missouri) | 4,376.76 mi (7,043.72 km) |
| Hemel Hempstead to Reston (Virginia) | 3,656.04 mi (5,883.83 km) |
| Hemel Hempstead to Revere (Massachusetts) | 3,247.15 mi (5,225.78 km) |
| Hemel Hempstead to Rexburg (Idaho) | 4,669.35 mi (7,514.60 km) |
| Hemel Hempstead to Reynoldsburg (Ohio) | 3,828.22 mi (6,160.93 km) |
| Hemel Hempstead to Rialto (California) | 5,387.07 mi (8,669.66 km) |
| Hemel Hempstead to Richardson (Texas) | 4,713.94 mi (7,586.35 km) |
| Hemel Hempstead to Richfield (Minnesota) | 3,994.94 mi (6,429.24 km) |
| Hemel Hempstead to Richfield (Wisconsin) | 3,886.79 mi (6,255.18 km) |
| Hemel Hempstead to Richland (Washington) | 4,754.83 mi (7,652.16 km) |
