| Harpenden to Rossington | 118.37 mi (190.50 km) |
| Harpenden to Rosyth | 317.05 mi (510.25 km) |
| Harpenden to Rotherham | 119.11 mi (191.69 km) |
| Harpenden to Rothwell | 141.46 mi (227.66 km) |
| Harpenden to Rottingdean | 70.37 mi (113.25 km) |
| Harpenden to Rowley Regis | 85.58 mi (137.73 km) |
| Harpenden to Royal Leamington Spa | 60.06 mi (96.66 km) |
| Harpenden to Royal Tunbridge Wells | 54.26 mi (87.33 km) |
| Harpenden to Royal Wootton Bassett | 69.16 mi (111.30 km) |
| Harpenden to Royston | 132.09 mi (212.58 km) |
| Harpenden to Royston | 21.26 mi (34.21 km) |
| Harpenden to Royton | 141.70 mi (228.04 km) |
| Harpenden to Rugby | 54.24 mi (87.28 km) |
| Harpenden to Rugeley | 93.46 mi (150.40 km) |
| Harpenden to Ruislip | 17.04 mi (27.42 km) |
