| Brookfield to Oberkirch | 4,328.99 mi (6,966.84 km) |
| Brookfield to Obernburg am Main | 4,316.05 mi (6,946.02 km) |
| Brookfield to Obernkirchen | 4,219.90 mi (6,791.27 km) |
| Brookfield to Oberschleissheim | 4,469.55 mi (7,193.05 km) |
| Brookfield to Oberstdorf | 4,456.79 mi (7,172.51 km) |
| Brookfield to Obertraubling | 4,461.47 mi (7,180.05 km) |
| Brookfield to Obertshausen | 4,295.85 mi (6,913.50 km) |
| Brookfield to Oberursel | 4,281.14 mi (6,889.82 km) |
| Brookfield to Ochsenfurt | 4,357.31 mi (7,012.42 km) |
| Brookfield to Ochsenhausen | 4,417.16 mi (7,108.73 km) |
| Brookfield to Ochtrup | 4,154.24 mi (6,685.60 km) |
| Brookfield to Odenthal | 4,195.98 mi (6,752.78 km) |
| Brookfield to Oelde | 4,202.46 mi (6,763.21 km) |
| Brookfield to Oelsnitz | 4,401.17 mi (7,083.00 km) |
| Brookfield to Oer-Erkenschwick | 4,177.67 mi (6,723.31 km) |
