| Cullman to Oswego (Illinois) | 524.96 mi (844.83 km) |
| Cullman to Oswego (New York) | 847.44 mi (1,363.83 km) |
| Cullman to Otsego (Minnesota) | 845.85 mi (1,361.27 km) |
| Cullman to Ottawa (Illinois) | 507.63 mi (816.94 km) |
| Cullman to Ottawa (Kansas) | 558.94 mi (899.52 km) |
| Cullman to Ottumwa (Iowa) | 562.48 mi (905.22 km) |
| Cullman to Overland (Missouri) | 368.65 mi (593.28 km) |
| Cullman to Overland Park (Kansas) | 543.37 mi (874.47 km) |
| Cullman to Overlea (Maryland) | 673.76 mi (1,084.31 km) |
| Cullman to Oviedo (Florida) | 506.31 mi (814.83 km) |
| Cullman to Owasso (Oklahoma) | 527.69 mi (849.23 km) |
| Cullman to Owatonna (Minnesota) | 765.22 mi (1,231.50 km) |
| Cullman to Owensboro (Kentucky) | 247.84 mi (398.85 km) |
| Cullman to Owings Mills (Maryland) | 662.63 mi (1,066.40 km) |
| Cullman to Owosso (Michigan) | 625.93 mi (1,007.34 km) |
