| Castle Rock to Rivalta di Torino | 5,255.08 mi (8,457.23 km) |
| Castle Rock to Rivarolo Canavese | 5,248.30 mi (8,446.33 km) |
| Castle Rock to Rivoli | 5,253.39 mi (8,454.51 km) |
| Castle Rock to Rocca di Papa | 5,599.37 mi (9,011.31 km) |
| Castle Rock to Rocca Priora | 5,600.33 mi (9,012.86 km) |
| Castle Rock to Roccapiemonte | 5,720.30 mi (9,205.93 km) |
| Castle Rock to Roccastrada | 5,482.73 mi (8,823.60 km) |
| Castle Rock to Romano di Lombardia | 5,311.37 mi (8,547.83 km) |
| Castle Rock to Rome | 5,584.72 mi (8,987.74 km) |
| Castle Rock to Roncade | 5,396.61 mi (8,685.00 km) |
| Castle Rock to Ronchi dei Legionari | 5,424.12 mi (8,729.28 km) |
| Castle Rock to Ronciglione | 5,555.50 mi (8,940.72 km) |
| Castle Rock to Rosa | 5,371.34 mi (8,644.34 km) |
| Castle Rock to Rosarno | 5,882.80 mi (9,467.45 km) |
| Castle Rock to Rosignano Marittimo | 5,438.65 mi (8,752.67 km) |
