| Alamo to Oberkirch | 5,562.94 mi (8,952.69 km) |
| Alamo to Obernburg am Main | 5,560.28 mi (8,948.41 km) |
| Alamo to Obernkirchen | 5,476.92 mi (8,814.25 km) |
| Alamo to Oberschleissheim | 5,710.75 mi (9,190.56 km) |
| Alamo to Oberstdorf | 5,689.70 mi (9,156.69 km) |
| Alamo to Obertraubling | 5,708.04 mi (9,186.21 km) |
| Alamo to Obertshausen | 5,540.64 mi (8,916.81 km) |
| Alamo to Oberursel | 5,526.12 mi (8,893.43 km) |
| Alamo to Ochsenfurt | 5,602.62 mi (9,016.55 km) |
| Alamo to Ochsenhausen | 5,653.15 mi (9,097.86 km) |
| Alamo to Ochtrup | 5,407.30 mi (8,702.21 km) |
| Alamo to Odenthal | 5,442.47 mi (8,758.80 km) |
| Alamo to Oelde | 5,455.42 mi (8,779.65 km) |
| Alamo to Oelsnitz | 5,655.16 mi (9,101.09 km) |
| Alamo to Oer-Erkenschwick | 5,427.81 mi (8,735.22 km) |
