| Simi Valley to Ramsey (New Jersey) | 2,457.00 mi (3,954.16 km) |
| Simi Valley to Rancho Cordova (California) | 328.52 mi (528.70 km) |
| Simi Valley to Rancho Cucamonga (California) | 68.27 mi (109.87 km) |
| Simi Valley to Rancho Mirage (California) | 137.44 mi (221.18 km) |
| Simi Valley to Rancho Palos Verdes (California) | 41.64 mi (67.01 km) |
| Simi Valley to Rancho San Diego (California) | 147.99 mi (238.16 km) |
| Simi Valley to Rancho Santa Margarita (California) | 79.17 mi (127.41 km) |
| Simi Valley to Randallstown (Maryland) | 2,325.73 mi (3,742.90 km) |
| Simi Valley to Rantoul (Illinois) | 1,723.48 mi (2,773.68 km) |
| Simi Valley to Rapid City (South Dakota) | 1,069.65 mi (1,721.44 km) |
| Simi Valley to Ravenna (Ohio) | 2,087.60 mi (3,359.66 km) |
| Simi Valley to Raymondville (Texas) | 1,357.67 mi (2,184.96 km) |
| Simi Valley to Raymore (Missouri) | 1,380.04 mi (2,220.96 km) |
| Simi Valley to Raytown (Missouri) | 1,381.08 mi (2,222.64 km) |
| Simi Valley to Reading (Ohio) | 1,918.72 mi (3,087.89 km) |
