| Cheyenne to Oswego (Illinois) | 852.14 mi (1,371.39 km) |
| Cheyenne to Oswego (New York) | 1,447.66 mi (2,329.78 km) |
| Cheyenne to Otsego (Minnesota) | 630.09 mi (1,014.03 km) |
| Cheyenne to Ottawa (Illinois) | 828.32 mi (1,333.05 km) |
| Cheyenne to Ottawa (Kansas) | 534.37 mi (859.99 km) |
| Cheyenne to Ottumwa (Iowa) | 643.87 mi (1,036.21 km) |
| Cheyenne to Overland (Missouri) | 781.60 mi (1,257.86 km) |
| Cheyenne to Overland Park (Kansas) | 556.39 mi (895.42 km) |
| Cheyenne to Overlea (Maryland) | 1,489.40 mi (2,396.95 km) |
| Cheyenne to Oviedo (Florida) | 1,583.17 mi (2,547.87 km) |
| Cheyenne to Owasso (Oklahoma) | 587.26 mi (945.11 km) |
| Cheyenne to Owatonna (Minnesota) | 621.59 mi (1,000.35 km) |
| Cheyenne to Owensboro (Kentucky) | 969.52 mi (1,560.29 km) |
| Cheyenne to Owings Mills (Maryland) | 1,474.42 mi (2,372.85 km) |
| Cheyenne to Owosso (Michigan) | 1,062.45 mi (1,709.84 km) |
