| Bay City to Orangevale (California) | 1,954.98 mi (3,146.24 km) |
| Bay City to Orchards (Washington) | 1,886.76 mi (3,036.45 km) |
| Bay City to Orcutt (California) | 2,027.64 mi (3,263.17 km) |
| Bay City to Oregon (Ohio) | 135.89 mi (218.69 km) |
| Bay City to Oregon (Wisconsin) | 280.51 mi (451.44 km) |
| Bay City to Oregon City (Oregon) | 1,893.87 mi (3,047.89 km) |
| Bay City to Orem (Utah) | 1,440.29 mi (2,317.92 km) |
| Bay City to Orinda (California) | 2,024.50 mi (3,258.11 km) |
| Bay City to Orland Park (Illinois) | 244.09 mi (392.83 km) |
| Bay City to Orlando (Florida) | 1,053.74 mi (1,695.84 km) |
| Bay City to Ormond Beach (Florida) | 999.37 mi (1,608.34 km) |
| Bay City to Oro Valley (Arizona) | 1,653.87 mi (2,661.65 km) |
| Bay City to Oroville (California) | 1,951.62 mi (3,140.83 km) |
| Bay City to Oshkosh (Wisconsin) | 234.90 mi (378.03 km) |
| Bay City to Oskaloosa (Iowa) | 473.36 mi (761.80 km) |
