| Simi Valley to Robbinsdale (Minnesota) | 1,533.70 mi (2,468.25 km) |
| Simi Valley to Robertsville (New Jersey) | 2,452.90 mi (3,947.55 km) |
| Simi Valley to Robinson (Texas) | 1,267.85 mi (2,040.41 km) |
| Simi Valley to Robstown (Texas) | 1,322.66 mi (2,128.61 km) |
| Simi Valley to Rochester (Michigan) | 1,996.49 mi (3,213.05 km) |
| Simi Valley to Rochester (Minnesota) | 1,551.58 mi (2,497.03 km) |
| Simi Valley to Rochester (New Hampshire) | 2,610.26 mi (4,200.81 km) |
| Simi Valley to Rochester (New York) | 2,276.32 mi (3,663.39 km) |
| Simi Valley to Rochester Hills (Michigan) | 1,994.52 mi (3,209.86 km) |
| Simi Valley to Rock Hill (South Carolina) | 2,133.06 mi (3,432.83 km) |
| Simi Valley to Rock Island (Illinois) | 1,606.57 mi (2,585.52 km) |
| Simi Valley to Rock Springs (Wyoming) | 724.39 mi (1,165.79 km) |
| Simi Valley to Rockford (Illinois) | 1,692.29 mi (2,723.48 km) |
| Simi Valley to Rockledge (Florida) | 2,268.26 mi (3,650.41 km) |
| Simi Valley to Rocklin (California) | 343.05 mi (552.08 km) |
