| Simi Valley to Reading (Pennsylvania) | 2,367.14 mi (3,809.54 km) |
| Simi Valley to Red Bank (New Jersey) | 2,464.75 mi (3,966.62 km) |
| Simi Valley to Red Bank (Tennessee) | 1,892.45 mi (3,045.60 km) |
| Simi Valley to Red Bluff (California) | 451.01 mi (725.83 km) |
| Simi Valley to Red Hill (South Carolina) | 2,261.14 mi (3,638.95 km) |
| Simi Valley to Red Oak (Texas) | 1,270.19 mi (2,044.17 km) |
| Simi Valley to Red Wing (Minnesota) | 1,557.40 mi (2,506.40 km) |
| Simi Valley to Redan (Georgia) | 1,971.66 mi (3,173.08 km) |
| Simi Valley to Redding (California) | 478.48 mi (770.04 km) |
| Simi Valley to Redland (Maryland) | 2,308.76 mi (3,715.59 km) |
| Simi Valley to Redlands (California) | 91.42 mi (147.13 km) |
| Simi Valley to Redmond (Oregon) | 702.64 mi (1,130.78 km) |
| Simi Valley to Redmond (Washington) | 942.81 mi (1,517.30 km) |
| Simi Valley to Redondo Beach (California) | 35.38 mi (56.94 km) |
| Simi Valley to Redwood City (California) | 296.37 mi (476.97 km) |
