| Hemel Hempstead to Rhosllanerchrugog | 139.36 mi (224.28 km) |
| Hemel Hempstead to Rhyl | 166.57 mi (268.07 km) |
| Hemel Hempstead to Rhymney | 120.34 mi (193.67 km) |
| Hemel Hempstead to Richmond | 21.73 mi (34.97 km) |
| Hemel Hempstead to Rickmansworth | 7.90 mi (12.71 km) |
| Hemel Hempstead to Ripley | 97.97 mi (157.67 km) |
| Hemel Hempstead to Ripon | 170.56 mi (274.49 km) |
| Hemel Hempstead to Risca | 112.76 mi (181.47 km) |
| Hemel Hempstead to Rochdale | 146.81 mi (236.26 km) |
| Hemel Hempstead to Rochester | 49.13 mi (79.06 km) |
| Hemel Hempstead to Rock Ferry | 154.59 mi (248.80 km) |
| Hemel Hempstead to Rogerstone | 111.30 mi (179.12 km) |
| Hemel Hempstead to Romford | 30.36 mi (48.86 km) |
| Hemel Hempstead to Romsey | 68.90 mi (110.88 km) |
| Hemel Hempstead to Ross on Wye | 91.10 mi (146.62 km) |
