| Vail to Oberkirch | 5,714.05 mi (9,195.87 km) |
| Vail to Obernburg am Main | 5,689.52 mi (9,156.40 km) |
| Vail to Obernkirchen | 5,576.68 mi (8,974.81 km) |
| Vail to Oberschleissheim | 5,844.76 mi (9,406.23 km) |
| Vail to Oberstdorf | 5,841.42 mi (9,400.86 km) |
| Vail to Obertraubling | 5,830.02 mi (9,382.50 km) |
| Vail to Obertshausen | 5,668.86 mi (9,123.15 km) |
| Vail to Oberursel | 5,654.11 mi (9,099.40 km) |
| Vail to Ochsenfurt | 5,728.87 mi (9,219.73 km) |
| Vail to Ochsenhausen | 5,798.97 mi (9,332.54 km) |
| Vail to Ochtrup | 5,518.00 mi (8,880.36 km) |
| Vail to Odenthal | 5,568.17 mi (8,961.11 km) |
| Vail to Oelde | 5,565.70 mi (8,957.13 km) |
| Vail to Oelsnitz | 5,760.06 mi (9,269.92 km) |
| Vail to Oer-Erkenschwick | 5,545.23 mi (8,924.19 km) |
