| Arroyo Grande to Rivalta di Torino | 6,018.78 mi (9,686.30 km) |
| Arroyo Grande to Rivarolo Canavese | 6,009.29 mi (9,671.03 km) |
| Arroyo Grande to Rivoli | 6,016.88 mi (9,683.23 km) |
| Arroyo Grande to Rocca di Papa | 6,357.58 mi (10,231.54 km) |
| Arroyo Grande to Rocca Priora | 6,358.19 mi (10,232.52 km) |
| Arroyo Grande to Roccapiemonte | 6,474.01 mi (10,418.91 km) |
| Arroyo Grande to Roccastrada | 6,241.43 mi (10,044.61 km) |
| Arroyo Grande to Romano di Lombardia | 6,061.82 mi (9,755.56 km) |
| Arroyo Grande to Rome | 6,343.39 mi (10,208.70 km) |
| Arroyo Grande to Roncade | 6,133.60 mi (9,871.07 km) |
| Arroyo Grande to Ronchi dei Legionari | 6,154.13 mi (9,904.11 km) |
| Arroyo Grande to Ronciglione | 6,313.23 mi (10,160.16 km) |
| Arroyo Grande to Rosa | 6,110.80 mi (9,834.38 km) |
| Arroyo Grande to Rosarno | 6,642.23 mi (10,689.64 km) |
| Arroyo Grande to Rosignano Marittimo | 6,198.45 mi (9,975.45 km) |
