| Simi Valley to Oakleaf Plantation (Florida) | 2,164.54 mi (3,483.49 km) |
| Simi Valley to Oakley (California) | 305.46 mi (491.58 km) |
| Simi Valley to Oakton (Virginia) | 2,301.94 mi (3,704.61 km) |
| Simi Valley to Oakville (Missouri) | 1,601.46 mi (2,577.29 km) |
| Simi Valley to Oatfield (Oregon) | 796.43 mi (1,281.72 km) |
| Simi Valley to Ocala (Florida) | 2,167.67 mi (3,488.53 km) |
| Simi Valley to Ocean Acres (New Jersey) | 2,457.26 mi (3,954.58 km) |
| Simi Valley to Ocean City (New Jersey) | 2,443.50 mi (3,932.43 km) |
| Simi Valley to Ocean Pines (Maryland) | 2,421.15 mi (3,896.47 km) |
| Simi Valley to Ocean Pointe (Hawaii) | 2,543.44 mi (4,093.27 km) |
| Simi Valley to Ocean Springs (Mississippi) | 1,762.90 mi (2,837.11 km) |
| Simi Valley to Oceanside (California) | 109.68 mi (176.51 km) |
| Simi Valley to Oceanside (New York) | 2,485.69 mi (4,000.33 km) |
| Simi Valley to Ocoee (Florida) | 2,216.62 mi (3,567.31 km) |
| Simi Valley to Oconomowoc (Wisconsin) | 1,730.67 mi (2,785.25 km) |
