| Brussels to Odessa (Texas) | 5,195.56 mi (8,361.45 km) |
| Brussels to Ogden (Utah) | 5,010.05 mi (8,062.90 km) |
| Brussels to Oildale (California) | 5,556.40 mi (8,942.16 km) |
| Brussels to Ojus (Florida) | 4,616.52 mi (7,429.56 km) |
| Brussels to Okemos (Michigan) | 3,979.27 mi (6,404.02 km) |
| Brussels to Oklahoma City (Oklahoma) | 4,827.28 mi (7,768.76 km) |
| Brussels to Okmulgee (Oklahoma) | 4,763.66 mi (7,666.38 km) |
| Brussels to Olathe (Kansas) | 4,552.79 mi (7,327.01 km) |
| Brussels to Old Jamestown (Missouri) | 4,385.82 mi (7,058.29 km) |
| Brussels to Oldsmar (Florida) | 4,616.87 mi (7,430.14 km) |
| Brussels to Olean (New York) | 3,775.97 mi (6,076.84 km) |
| Brussels to Olive Branch (Mississippi) | 4,561.35 mi (7,340.79 km) |
| Brussels to Olivehurst (California) | 5,415.68 mi (8,715.70 km) |
| Brussels to Olney (Maryland) | 3,853.07 mi (6,200.91 km) |
| Brussels to Olympia (Washington) | 4,982.75 mi (8,018.97 km) |
