| Idaho Falls to Rosolini | 5,968.97 mi (9,606.13 km) |
| Idaho Falls to Rossano | 5,866.01 mi (9,440.44 km) |
| Idaho Falls to Rottofreno | 5,345.63 mi (8,602.97 km) |
| Idaho Falls to Rovato | 5,332.19 mi (8,581.33 km) |
| Idaho Falls to Roverbella | 5,371.72 mi (8,644.94 km) |
| Idaho Falls to Rovereto | 5,346.95 mi (8,605.09 km) |
| Idaho Falls to Rovigo | 5,412.80 mi (8,711.06 km) |
| Idaho Falls to Rozzano | 5,315.94 mi (8,555.17 km) |
| Idaho Falls to Rubano | 5,393.30 mi (8,679.67 km) |
| Idaho Falls to Rubiera | 5,405.54 mi (8,699.37 km) |
| Idaho Falls to Ruffano | 5,890.46 mi (9,479.78 km) |
| Idaho Falls to Russi | 5,458.44 mi (8,784.51 km) |
| Idaho Falls to Rutigliano | 5,796.30 mi (9,328.24 km) |
| Idaho Falls to Ruvo di Puglia | 5,773.51 mi (9,291.57 km) |
| Idaho Falls to Sabaudia | 5,657.97 mi (9,105.63 km) |
