| Fountain Valley to Rivalta di Torino | 6,014.21 mi (9,678.94 km) |
| Fountain Valley to Rivarolo Canavese | 6,005.67 mi (9,665.19 km) |
| Fountain Valley to Rivoli | 6,012.38 mi (9,675.98 km) |
| Fountain Valley to Rocca di Papa | 6,355.59 mi (10,228.33 km) |
| Fountain Valley to Rocca Priora | 6,356.33 mi (10,229.52 km) |
| Fountain Valley to Roccapiemonte | 6,473.82 mi (10,418.61 km) |
| Fountain Valley to Roccastrada | 6,239.04 mi (10,040.77 km) |
| Fountain Valley to Romano di Lombardia | 6,061.96 mi (9,755.78 km) |
| Fountain Valley to Rome | 6,341.21 mi (10,205.19 km) |
| Fountain Valley to Roncade | 6,138.41 mi (9,878.82 km) |
| Fountain Valley to Ronchi dei Legionari | 6,161.28 mi (9,915.62 km) |
| Fountain Valley to Ronciglione | 6,311.32 mi (10,157.09 km) |
| Fountain Valley to Rosa | 6,114.75 mi (9,840.73 km) |
| Fountain Valley to Rosarno | 6,640.34 mi (10,686.60 km) |
| Fountain Valley to Rosignano Marittimo | 6,195.60 mi (9,970.86 km) |
