| Prairie Ridge to Rende | 5,934.33 mi (9,550.38 km) |
| Prairie Ridge to Resana | 5,449.01 mi (8,769.33 km) |
| Prairie Ridge to Rescaldina | 5,375.88 mi (8,651.65 km) |
| Prairie Ridge to Rezzato | 5,416.18 mi (8,716.50 km) |
| Prairie Ridge to Rho | 5,382.90 mi (8,662.95 km) |
| Prairie Ridge to Ribera | 5,972.80 mi (9,612.30 km) |
| Prairie Ridge to Riccione Marina | 5,564.09 mi (8,954.53 km) |
| Prairie Ridge to Riesi | 6,007.27 mi (9,667.77 km) |
| Prairie Ridge to Rieti | 5,665.42 mi (9,117.61 km) |
| Prairie Ridge to Rignano Flaminio | 5,668.46 mi (9,122.50 km) |
| Prairie Ridge to Rignano sull'Arno | 5,551.13 mi (8,933.68 km) |
| Prairie Ridge to Rimini | 5,558.52 mi (8,945.58 km) |
| Prairie Ridge to Rionero in Vulture | 5,824.53 mi (9,373.67 km) |
| Prairie Ridge to Riposto | 6,008.32 mi (9,669.45 km) |
| Prairie Ridge to Riva del Garda | 5,407.41 mi (8,702.38 km) |
