| Idaho Falls to Rende | 5,865.56 mi (9,439.71 km) |
| Idaho Falls to Resana | 5,387.37 mi (8,670.14 km) |
| Idaho Falls to Rescaldina | 5,297.34 mi (8,525.25 km) |
| Idaho Falls to Rezzato | 5,344.69 mi (8,601.45 km) |
| Idaho Falls to Rho | 5,304.35 mi (8,536.52 km) |
| Idaho Falls to Ribera | 5,876.29 mi (9,456.97 km) |
| Idaho Falls to Riccione Marina | 5,497.68 mi (8,847.66 km) |
| Idaho Falls to Riesi | 5,914.88 mi (9,519.09 km) |
| Idaho Falls to Rieti | 5,591.79 mi (8,999.11 km) |
| Idaho Falls to Rignano Flaminio | 5,591.52 mi (8,998.68 km) |
| Idaho Falls to Rignano sull'Arno | 5,476.27 mi (8,813.20 km) |
| Idaho Falls to Rimini | 5,491.95 mi (8,838.44 km) |
| Idaho Falls to Rionero in Vulture | 5,760.36 mi (9,270.41 km) |
| Idaho Falls to Riposto | 5,925.35 mi (9,535.93 km) |
| Idaho Falls to Riva del Garda | 5,340.95 mi (8,595.43 km) |
