| Simi Valley to Rivalta di Torino | 6,008.95 mi (9,670.48 km) |
| Simi Valley to Rivarolo Canavese | 6,000.09 mi (9,656.22 km) |
| Simi Valley to Rivoli | 6,007.09 mi (9,667.48 km) |
| Simi Valley to Rocca di Papa | 6,349.55 mi (10,218.62 km) |
| Simi Valley to Rocca Priora | 6,350.25 mi (10,219.74 km) |
| Simi Valley to Roccapiemonte | 6,467.21 mi (10,407.97 km) |
| Simi Valley to Roccastrada | 6,233.11 mi (10,031.22 km) |
| Simi Valley to Romano di Lombardia | 6,055.15 mi (9,744.82 km) |
| Simi Valley to Rome | 6,335.23 mi (10,195.57 km) |
| Simi Valley to Roncade | 6,130.07 mi (9,865.40 km) |
| Simi Valley to Ronchi dei Legionari | 6,152.18 mi (9,900.97 km) |
| Simi Valley to Ronciglione | 6,305.25 mi (10,147.32 km) |
| Simi Valley to Rosa | 6,106.69 mi (9,827.77 km) |
| Simi Valley to Rosarno | 6,634.34 mi (10,676.93 km) |
| Simi Valley to Rosignano Marittimo | 6,189.81 mi (9,961.54 km) |
