| Luton to Rossington | 113.66 mi (182.91 km) |
| Luton to Rosyth | 312.16 mi (502.37 km) |
| Luton to Rotherham | 114.25 mi (183.87 km) |
| Luton to Rothwell | 136.63 mi (219.89 km) |
| Luton to Rottingdean | 75.00 mi (120.70 km) |
| Luton to Rowley Regis | 81.08 mi (130.48 km) |
| Luton to Royal Leamington Spa | 55.56 mi (89.42 km) |
| Luton to Royal Tunbridge Wells | 59.23 mi (95.32 km) |
| Luton to Royal Wootton Bassett | 67.92 mi (109.31 km) |
| Luton to Royston | 127.24 mi (204.77 km) |
| Luton to Royston | 20.45 mi (32.91 km) |
| Luton to Royton | 136.73 mi (220.04 km) |
| Luton to Rugby | 49.40 mi (79.49 km) |
| Luton to Rugeley | 88.62 mi (142.62 km) |
| Luton to Ruislip | 20.90 mi (33.64 km) |
