| Blaine to Oberkirch | 4,414.68 mi (7,104.75 km) |
| Blaine to Obernburg am Main | 4,393.78 mi (7,071.11 km) |
| Blaine to Obernkirchen | 4,286.90 mi (6,899.10 km) |
| Blaine to Oberschleissheim | 4,548.68 mi (7,320.39 km) |
| Blaine to Oberstdorf | 4,542.34 mi (7,310.19 km) |
| Blaine to Obertraubling | 4,536.25 mi (7,300.39 km) |
| Blaine to Obertshausen | 4,373.24 mi (7,038.06 km) |
| Blaine to Oberursel | 4,358.48 mi (7,014.29 km) |
| Blaine to Ochsenfurt | 4,433.86 mi (7,135.60 km) |
| Blaine to Ochsenhausen | 4,500.68 mi (7,243.15 km) |
| Blaine to Ochtrup | 4,225.41 mi (6,800.14 km) |
| Blaine to Odenthal | 4,272.67 mi (6,876.19 km) |
| Blaine to Oelde | 4,273.40 mi (6,877.38 km) |
| Blaine to Oelsnitz | 4,469.83 mi (7,193.49 km) |
| Blaine to Oer-Erkenschwick | 4,251.31 mi (6,841.82 km) |
