| Moreno Valley to Orangevale (California) | 397.82 mi (640.23 km) |
| Moreno Valley to Orchards (Washington) | 860.09 mi (1,384.19 km) |
| Moreno Valley to Orcutt (California) | 194.70 mi (313.34 km) |
| Moreno Valley to Oregon (Ohio) | 1,906.20 mi (3,067.74 km) |
| Moreno Valley to Oregon (Wisconsin) | 1,619.50 mi (2,606.33 km) |
| Moreno Valley to Oregon City (Oregon) | 838.84 mi (1,349.98 km) |
| Moreno Valley to Orem (Utah) | 534.47 mi (860.15 km) |
| Moreno Valley to Orinda (California) | 390.05 mi (627.73 km) |
| Moreno Valley to Orland Park (Illinois) | 1,678.76 mi (2,701.71 km) |
| Moreno Valley to Orlando (Florida) | 2,141.83 mi (3,446.94 km) |
| Moreno Valley to Ormond Beach (Florida) | 2,137.22 mi (3,439.52 km) |
| Moreno Valley to Oro Valley (Arizona) | 374.78 mi (603.15 km) |
| Moreno Valley to Oroville (California) | 454.49 mi (731.43 km) |
| Moreno Valley to Oshkosh (Wisconsin) | 1,678.10 mi (2,700.65 km) |
| Moreno Valley to Oskaloosa (Iowa) | 1,431.63 mi (2,303.99 km) |
