| Simi Valley to Rowlett (Texas) | 1,278.61 mi (2,057.72 km) |
| Simi Valley to Roy (Utah) | 601.02 mi (967.24 km) |
| Simi Valley to Royal Kunia (Hawaii) | 2,540.55 mi (4,088.62 km) |
| Simi Valley to Royal Oak (Michigan) | 1,993.74 mi (3,208.61 km) |
| Simi Valley to Royal Palm Beach (Florida) | 2,338.05 mi (3,762.73 km) |
| Simi Valley to Royse City (Texas) | 1,291.06 mi (2,077.77 km) |
| Simi Valley to Ruskin (Florida) | 2,187.00 mi (3,519.63 km) |
| Simi Valley to Russellville (Alabama) | 1,761.83 mi (2,835.40 km) |
| Simi Valley to Russellville (Arkansas) | 1,451.20 mi (2,335.48 km) |
| Simi Valley to Ruston (Louisiana) | 1,506.88 mi (2,425.09 km) |
| Simi Valley to Rutherford (New Jersey) | 2,460.20 mi (3,959.31 km) |
| Simi Valley to Rutland (Vermont) | 2,509.33 mi (4,038.38 km) |
| Simi Valley to Sabana Grande (Puerto Rico) | 3,360.84 mi (5,408.75 km) |
| Simi Valley to Sachse (Texas) | 1,276.17 mi (2,053.80 km) |
| Simi Valley to Saco (Maine) | 2,635.36 mi (4,241.20 km) |
