| Oostkamp to Orangevale (California) | 5,381.47 mi (8,660.63 km) |
| Oostkamp to Orchards (Washington) | 5,007.14 mi (8,058.21 km) |
| Oostkamp to Orcutt (California) | 5,582.05 mi (8,983.44 km) |
| Oostkamp to Oregon (Ohio) | 3,937.24 mi (6,336.37 km) |
| Oostkamp to Oregon (Wisconsin) | 4,102.52 mi (6,602.37 km) |
| Oostkamp to Oregon City (Oregon) | 5,029.03 mi (8,093.44 km) |
| Oostkamp to Orem (Utah) | 5,003.69 mi (8,052.66 km) |
| Oostkamp to Orinda (California) | 5,456.22 mi (8,780.93 km) |
| Oostkamp to Orland Park (Illinois) | 4,108.07 mi (6,611.30 km) |
| Oostkamp to Orlando (Florida) | 4,487.17 mi (7,221.41 km) |
| Oostkamp to Ormond Beach (Florida) | 4,436.32 mi (7,139.57 km) |
| Oostkamp to Oro Valley (Arizona) | 5,419.56 mi (8,721.95 km) |
| Oostkamp to Oroville (California) | 5,343.55 mi (8,599.62 km) |
| Oostkamp to Oshkosh (Wisconsin) | 4,020.54 mi (6,470.43 km) |
| Oostkamp to Oskaloosa (Iowa) | 4,300.62 mi (6,921.19 km) |
