| McNair to Oberkirch | 4,092.68 mi (6,586.54 km) |
| McNair to Obernburg am Main | 4,096.94 mi (6,593.38 km) |
| McNair to Obernkirchen | 4,025.70 mi (6,478.73 km) |
| McNair to Oberschleissheim | 4,244.32 mi (6,830.57 km) |
| McNair to Oberstdorf | 4,218.21 mi (6,788.55 km) |
| McNair to Obertraubling | 4,245.60 mi (6,832.63 km) |
| McNair to Obertshausen | 4,077.86 mi (6,562.68 km) |
| McNair to Oberursel | 4,063.57 mi (6,539.69 km) |
| McNair to Ochsenfurt | 4,139.84 mi (6,662.44 km) |
| McNair to Ochsenhausen | 4,183.65 mi (6,732.93 km) |
| McNair to Ochtrup | 3,952.59 mi (6,361.08 km) |
| McNair to Odenthal | 3,981.66 mi (6,407.86 km) |
| McNair to Oelde | 4,000.25 mi (6,437.78 km) |
| McNair to Oelsnitz | 4,199.53 mi (6,758.49 km) |
| McNair to Oer-Erkenschwick | 3,970.24 mi (6,389.48 km) |
