| Simi Valley to Ridgefield Park (New Jersey) | 2,464.49 mi (3,966.22 km) |
| Simi Valley to Ridgeland (Mississippi) | 1,650.30 mi (2,655.90 km) |
| Simi Valley to Ridgewood (New Jersey) | 2,459.06 mi (3,957.47 km) |
| Simi Valley to Rifle (Colorado) | 706.58 mi (1,137.13 km) |
| Simi Valley to Rincon (Georgia) | 2,158.91 mi (3,474.44 km) |
| Simi Valley to Ringwood (New Jersey) | 2,450.06 mi (3,942.99 km) |
| Simi Valley to Río Grande (Puerto Rico) | 3,414.66 mi (5,495.36 km) |
| Simi Valley to Rio Grande City (Texas) | 1,304.28 mi (2,099.04 km) |
| Simi Valley to Rio Linda (California) | 340.09 mi (547.33 km) |
| Simi Valley to Rio Rancho (New Mexico) | 687.10 mi (1,105.79 km) |
| Simi Valley to Rio Rico (Arizona) | 489.12 mi (787.16 km) |
| Simi Valley to Ripon (California) | 274.54 mi (441.83 km) |
| Simi Valley to River Edge (New Jersey) | 2,463.17 mi (3,964.09 km) |
| Simi Valley to River Falls (Wisconsin) | 1,562.55 mi (2,514.69 km) |
| Simi Valley to River Forest (Illinois) | 1,751.86 mi (2,819.35 km) |
