| Gallatin to Orangevale (California) | 1,899.34 mi (3,056.69 km) |
| Gallatin to Orchards (Washington) | 1,967.13 mi (3,165.79 km) |
| Gallatin to Orcutt (California) | 1,899.92 mi (3,057.63 km) |
| Gallatin to Oregon (Ohio) | 399.16 mi (642.39 km) |
| Gallatin to Oregon (Wisconsin) | 478.19 mi (769.58 km) |
| Gallatin to Oregon City (Oregon) | 1,967.66 mi (3,166.64 km) |
| Gallatin to Orem (Utah) | 1,388.89 mi (2,235.21 km) |
| Gallatin to Orinda (California) | 1,957.82 mi (3,150.80 km) |
| Gallatin to Orland Park (Illinois) | 368.95 mi (593.76 km) |
| Gallatin to Orlando (Florida) | 622.32 mi (1,001.52 km) |
| Gallatin to Ormond Beach (Florida) | 579.74 mi (933.01 km) |
| Gallatin to Oro Valley (Arizona) | 1,419.61 mi (2,284.65 km) |
| Gallatin to Oroville (California) | 1,912.29 mi (3,077.53 km) |
| Gallatin to Oshkosh (Wisconsin) | 539.55 mi (868.32 km) |
| Gallatin to Oskaloosa (Iowa) | 474.69 mi (763.94 km) |
