| Cheyenne to Oberkirch | 5,015.98 mi (8,072.44 km) |
| Cheyenne to Obernburg am Main | 4,988.46 mi (8,028.15 km) |
| Cheyenne to Obernkirchen | 4,872.54 mi (7,841.59 km) |
| Cheyenne to Oberschleissheim | 5,143.79 mi (8,278.13 km) |
| Cheyenne to Oberstdorf | 5,142.94 mi (8,276.76 km) |
| Cheyenne to Obertraubling | 5,127.60 mi (8,252.07 km) |
| Cheyenne to Obertshausen | 4,967.74 mi (7,994.81 km) |
| Cheyenne to Oberursel | 4,953.01 mi (7,971.09 km) |
| Cheyenne to Ochsenfurt | 5,027.30 mi (8,090.65 km) |
| Cheyenne to Ochsenhausen | 5,099.79 mi (8,207.32 km) |
| Cheyenne to Ochtrup | 4,815.22 mi (7,749.35 km) |
| Cheyenne to Odenthal | 4,867.07 mi (7,832.80 km) |
| Cheyenne to Oelde | 4,862.73 mi (7,825.80 km) |
| Cheyenne to Oelsnitz | 5,055.95 mi (8,136.76 km) |
| Cheyenne to Oer-Erkenschwick | 4,843.17 mi (7,794.32 km) |
