| Whitney to Oberkirch | 5,625.66 mi (9,053.63 km) |
| Whitney to Obernburg am Main | 5,592.04 mi (8,999.52 km) |
| Whitney to Obernkirchen | 5,468.24 mi (8,800.27 km) |
| Whitney to Oberschleissheim | 5,747.12 mi (9,249.09 km) |
| Whitney to Oberstdorf | 5,751.47 mi (9,256.10 km) |
| Whitney to Obertraubling | 5,727.42 mi (9,217.39 km) |
| Whitney to Obertshausen | 5,571.24 mi (8,966.05 km) |
| Whitney to Oberursel | 5,556.60 mi (8,942.48 km) |
| Whitney to Ochsenfurt | 5,629.54 mi (9,059.87 km) |
| Whitney to Ochsenhausen | 5,707.07 mi (9,184.65 km) |
| Whitney to Ochtrup | 5,415.06 mi (8,714.69 km) |
| Whitney to Odenthal | 5,470.93 mi (8,804.61 km) |
| Whitney to Oelde | 5,461.88 mi (8,790.05 km) |
| Whitney to Oelsnitz | 5,651.17 mi (9,094.68 km) |
| Whitney to Oer-Erkenschwick | 5,444.76 mi (8,762.50 km) |
