| Oostakker to Orangevale (California) | 5,399.42 mi (8,689.52 km) |
| Oostakker to Orchards (Washington) | 5,023.81 mi (8,085.04 km) |
| Oostakker to Orcutt (California) | 5,600.66 mi (9,013.39 km) |
| Oostakker to Oregon (Ohio) | 3,959.43 mi (6,372.09 km) |
| Oostakker to Oregon (Wisconsin) | 4,124.06 mi (6,637.04 km) |
| Oostakker to Oregon City (Oregon) | 5,045.75 mi (8,120.34 km) |
| Oostakker to Orem (Utah) | 5,022.95 mi (8,083.66 km) |
| Oostakker to Orinda (California) | 5,474.11 mi (8,809.73 km) |
| Oostakker to Orland Park (Illinois) | 4,129.91 mi (6,646.45 km) |
| Oostakker to Orlando (Florida) | 4,510.40 mi (7,258.78 km) |
| Oostakker to Ormond Beach (Florida) | 4,459.52 mi (7,176.91 km) |
| Oostakker to Oro Valley (Arizona) | 5,439.96 mi (8,754.77 km) |
| Oostakker to Oroville (California) | 5,361.33 mi (8,628.22 km) |
| Oostakker to Oshkosh (Wisconsin) | 4,042.01 mi (6,504.98 km) |
| Oostakker to Oskaloosa (Iowa) | 4,322.07 mi (6,955.70 km) |
