| Moreno Valley to Oswego (Illinois) | 1,655.36 mi (2,664.05 km) |
| Moreno Valley to Oswego (New York) | 2,266.86 mi (3,648.16 km) |
| Moreno Valley to Otsego (Minnesota) | 1,471.69 mi (2,368.46 km) |
| Moreno Valley to Ottawa (Illinois) | 1,626.75 mi (2,618.00 km) |
| Moreno Valley to Ottawa (Kansas) | 1,260.91 mi (2,029.24 km) |
| Moreno Valley to Ottumwa (Iowa) | 1,438.87 mi (2,315.63 km) |
| Moreno Valley to Overland (Missouri) | 1,524.22 mi (2,452.99 km) |
| Moreno Valley to Overland Park (Kansas) | 1,294.51 mi (2,083.31 km) |
| Moreno Valley to Overlea (Maryland) | 2,267.27 mi (3,648.82 km) |
| Moreno Valley to Oviedo (Florida) | 2,146.33 mi (3,454.18 km) |
| Moreno Valley to Owasso (Oklahoma) | 1,216.58 mi (1,957.89 km) |
| Moreno Valley to Owatonna (Minnesota) | 1,458.61 mi (2,347.40 km) |
| Moreno Valley to Owensboro (Kentucky) | 1,698.41 mi (2,733.32 km) |
| Moreno Valley to Owings Mills (Maryland) | 2,252.48 mi (3,625.02 km) |
| Moreno Valley to Owosso (Michigan) | 1,879.33 mi (3,024.48 km) |
