| Bay City to Oswego (Illinois) | 261.64 mi (421.07 km) |
| Bay City to Oswego (New York) | 370.16 mi (595.71 km) |
| Bay City to Otsego (Minnesota) | 493.59 mi (794.35 km) |
| Bay City to Ottawa (Illinois) | 295.14 mi (474.99 km) |
| Bay City to Ottawa (Kansas) | 684.46 mi (1,101.53 km) |
| Bay City to Ottumwa (Iowa) | 470.39 mi (757.02 km) |
| Bay City to Overland (Missouri) | 477.21 mi (768.00 km) |
| Bay City to Overland Park (Kansas) | 647.59 mi (1,042.20 km) |
| Bay City to Overlea (Maryland) | 480.16 mi (772.74 km) |
| Bay City to Oviedo (Florida) | 1,042.51 mi (1,677.76 km) |
| Bay City to Owasso (Oklahoma) | 807.80 mi (1,300.03 km) |
| Bay City to Owatonna (Minnesota) | 466.61 mi (750.94 km) |
| Bay City to Owensboro (Kentucky) | 436.98 mi (703.25 km) |
| Bay City to Owings Mills (Maryland) | 466.87 mi (751.36 km) |
| Bay City to Owosso (Michigan) | 43.56 mi (70.10 km) |
