| Koekelberg to Orangevale (California) | 5,427.69 mi (8,735.03 km) |
| Koekelberg to Orchards (Washington) | 5,051.32 mi (8,129.32 km) |
| Koekelberg to Orcutt (California) | 5,629.28 mi (9,059.45 km) |
| Koekelberg to Oregon (Ohio) | 3,988.75 mi (6,419.27 km) |
| Koekelberg to Oregon (Wisconsin) | 4,153.51 mi (6,684.43 km) |
| Koekelberg to Oregon City (Oregon) | 5,073.29 mi (8,164.67 km) |
| Koekelberg to Orem (Utah) | 5,051.87 mi (8,130.20 km) |
| Koekelberg to Orinda (California) | 5,502.35 mi (8,855.18 km) |
| Koekelberg to Orland Park (Illinois) | 4,159.32 mi (6,693.79 km) |
| Koekelberg to Orlando (Florida) | 4,538.47 mi (7,303.97 km) |
| Koekelberg to Ormond Beach (Florida) | 4,487.67 mi (7,222.21 km) |
| Koekelberg to Oro Valley (Arizona) | 5,469.27 mi (8,801.93 km) |
| Koekelberg to Oroville (California) | 5,389.51 mi (8,673.57 km) |
| Koekelberg to Oshkosh (Wisconsin) | 4,071.45 mi (6,552.37 km) |
| Koekelberg to Oskaloosa (Iowa) | 4,351.52 mi (7,003.09 km) |
