| Annan to Oswego (Illinois) | 3,761.93 mi (6,054.24 km) |
| Annan to Oswego (New York) | 3,239.74 mi (5,213.86 km) |
| Annan to Otsego (Minnesota) | 3,772.43 mi (6,071.14 km) |
| Annan to Ottawa (Illinois) | 3,795.82 mi (6,108.78 km) |
| Annan to Ottawa (Kansas) | 4,167.01 mi (6,706.15 km) |
| Annan to Ottumwa (Iowa) | 3,941.74 mi (6,343.62 km) |
| Annan to Overland (Missouri) | 3,985.24 mi (6,413.63 km) |
| Annan to Overland Park (Kansas) | 4,131.55 mi (6,649.09 km) |
| Annan to Overlea (Maryland) | 3,431.39 mi (5,522.29 km) |
| Annan to Oviedo (Florida) | 4,154.12 mi (6,685.42 km) |
| Annan to Owasso (Oklahoma) | 4,308.24 mi (6,933.45 km) |
| Annan to Owatonna (Minnesota) | 3,816.91 mi (6,142.72 km) |
| Annan to Owensboro (Kentucky) | 3,912.62 mi (6,296.75 km) |
| Annan to Owings Mills (Maryland) | 3,439.66 mi (5,535.60 km) |
| Annan to Owosso (Michigan) | 3,546.72 mi (5,707.89 km) |
