| Koekelberg to Odessa (Texas) | 5,194.11 mi (8,359.11 km) |
| Koekelberg to Ogden (Utah) | 5,008.48 mi (8,060.38 km) |
| Koekelberg to Oildale (California) | 5,554.82 mi (8,939.62 km) |
| Koekelberg to Ojus (Florida) | 4,615.39 mi (7,427.74 km) |
| Koekelberg to Okemos (Michigan) | 3,977.86 mi (6,401.75 km) |
| Koekelberg to Oklahoma City (Oklahoma) | 4,825.84 mi (7,766.44 km) |
| Koekelberg to Okmulgee (Oklahoma) | 4,762.23 mi (7,664.08 km) |
| Koekelberg to Olathe (Kansas) | 4,551.34 mi (7,324.68 km) |
| Koekelberg to Old Jamestown (Missouri) | 4,384.40 mi (7,056.02 km) |
| Koekelberg to Oldsmar (Florida) | 4,615.68 mi (7,428.22 km) |
| Koekelberg to Olean (New York) | 3,774.62 mi (6,074.67 km) |
| Koekelberg to Olive Branch (Mississippi) | 4,559.99 mi (7,338.59 km) |
| Koekelberg to Olivehurst (California) | 5,414.09 mi (8,713.13 km) |
| Koekelberg to Olney (Maryland) | 3,851.77 mi (6,198.83 km) |
| Koekelberg to Olympia (Washington) | 4,981.14 mi (8,016.37 km) |
