| Houghton Regis to Rende | 1,180.30 mi (1,899.51 km) |
| Houghton Regis to Resana | 712.84 mi (1,147.20 km) |
| Houghton Regis to Rescaldina | 611.38 mi (983.91 km) |
| Houghton Regis to Rezzato | 661.49 mi (1,064.57 km) |
| Houghton Regis to Rho | 618.36 mi (995.16 km) |
| Houghton Regis to Ribera | 1,199.38 mi (1,930.21 km) |
| Houghton Regis to Riccione Marina | 816.24 mi (1,313.62 km) |
| Houghton Regis to Riesi | 1,234.77 mi (1,987.17 km) |
| Houghton Regis to Rieti | 906.13 mi (1,458.27 km) |
| Houghton Regis to Rignano Flaminio | 905.35 mi (1,457.01 km) |
| Houghton Regis to Rignano sull'Arno | 790.65 mi (1,272.43 km) |
| Houghton Regis to Rimini | 810.47 mi (1,304.33 km) |
| Houghton Regis to Rionero in Vulture | 1,077.64 mi (1,734.30 km) |
| Houghton Regis to Riposto | 1,240.43 mi (1,996.29 km) |
| Houghton Regis to Riva del Garda | 662.05 mi (1,065.47 km) |
