| Harrow to Rende | 1,160.11 mi (1,867.02 km) |
| Harrow to Resana | 694.65 mi (1,117.92 km) |
| Harrow to Rescaldina | 591.09 mi (951.26 km) |
| Harrow to Rezzato | 642.06 mi (1,033.30 km) |
| Harrow to Rho | 598.06 mi (962.48 km) |
| Harrow to Ribera | 1,177.44 mi (1,894.91 km) |
| Harrow to Riccione Marina | 796.97 mi (1,282.60 km) |
| Harrow to Riesi | 1,213.06 mi (1,952.23 km) |
| Harrow to Rieti | 885.88 mi (1,425.69 km) |
| Harrow to Rignano Flaminio | 884.80 mi (1,423.94 km) |
| Harrow to Rignano sull'Arno | 770.47 mi (1,239.95 km) |
| Harrow to Rimini | 791.20 mi (1,273.31 km) |
| Harrow to Rionero in Vulture | 1,057.98 mi (1,702.65 km) |
| Harrow to Riposto | 1,219.25 mi (1,962.20 km) |
| Harrow to Riva del Garda | 643.38 mi (1,035.42 km) |
