| Middle Valley to Orangevale (California) | 1,991.28 mi (3,204.65 km) |
| Middle Valley to Orchards (Washington) | 2,070.81 mi (3,332.65 km) |
| Middle Valley to Orcutt (California) | 1,982.57 mi (3,190.63 km) |
| Middle Valley to Oregon (Ohio) | 456.73 mi (735.03 km) |
| Middle Valley to Oregon (Wisconsin) | 579.82 mi (933.13 km) |
| Middle Valley to Oregon City (Oregon) | 2,070.92 mi (3,332.83 km) |
| Middle Valley to Orem (Utah) | 1,484.42 mi (2,388.94 km) |
| Middle Valley to Orinda (California) | 2,048.18 mi (3,296.24 km) |
| Middle Valley to Orland Park (Illinois) | 466.40 mi (750.59 km) |
| Middle Valley to Orlando (Florida) | 515.89 mi (830.25 km) |
| Middle Valley to Ormond Beach (Florida) | 471.92 mi (759.48 km) |
| Middle Valley to Oro Valley (Arizona) | 1,488.22 mi (2,395.05 km) |
| Middle Valley to Oroville (California) | 2,005.97 mi (3,228.30 km) |
| Middle Valley to Oshkosh (Wisconsin) | 636.04 mi (1,023.60 km) |
| Middle Valley to Oskaloosa (Iowa) | 583.59 mi (939.20 km) |
