| Prairie Ridge to Rivalta di Torino | 5,373.15 mi (8,647.25 km) |
| Prairie Ridge to Rivarolo Canavese | 5,360.99 mi (8,627.67 km) |
| Prairie Ridge to Rivoli | 5,371.05 mi (8,643.87 km) |
| Prairie Ridge to Rocca di Papa | 5,700.44 mi (9,173.97 km) |
| Prairie Ridge to Rocca Priora | 5,700.69 mi (9,174.37 km) |
| Prairie Ridge to Roccapiemonte | 5,810.43 mi (9,350.99 km) |
| Prairie Ridge to Roccastrada | 5,586.74 mi (8,990.99 km) |
| Prairie Ridge to Romano di Lombardia | 5,401.94 mi (8,693.58 km) |
| Prairie Ridge to Rome | 5,686.94 mi (9,152.25 km) |
| Prairie Ridge to Roncade | 5,459.75 mi (8,786.63 km) |
| Prairie Ridge to Ronchi dei Legionari | 5,473.68 mi (8,809.03 km) |
| Prairie Ridge to Ronciglione | 5,656.34 mi (9,103.00 km) |
| Prairie Ridge to Rosa | 5,439.60 mi (8,754.19 km) |
| Prairie Ridge to Rosarno | 5,981.58 mi (9,626.42 km) |
| Prairie Ridge to Rosignano Marittimo | 5,545.63 mi (8,924.83 km) |
