| Mobile to Oswego (Illinois) | 760.48 mi (1,223.88 km) |
| Mobile to Oswego (New York) | 1,088.07 mi (1,751.08 km) |
| Mobile to Otsego (Minnesota) | 1,050.89 mi (1,691.24 km) |
| Mobile to Ottawa (Illinois) | 738.79 mi (1,188.96 km) |
| Mobile to Ottawa (Kansas) | 681.12 mi (1,096.16 km) |
| Mobile to Ottumwa (Iowa) | 753.77 mi (1,213.08 km) |
| Mobile to Overland (Missouri) | 568.55 mi (914.99 km) |
| Mobile to Overland Park (Kansas) | 678.30 mi (1,091.62 km) |
| Mobile to Overlea (Maryland) | 887.90 mi (1,428.93 km) |
| Mobile to Oviedo (Florida) | 438.68 mi (705.99 km) |
| Mobile to Owasso (Oklahoma) | 589.43 mi (948.59 km) |
| Mobile to Owatonna (Minnesota) | 967.84 mi (1,557.58 km) |
| Mobile to Owensboro (Kentucky) | 492.44 mi (792.51 km) |
| Mobile to Owings Mills (Maryland) | 878.68 mi (1,414.10 km) |
| Mobile to Owosso (Michigan) | 878.21 mi (1,413.34 km) |
