| Gallatin to Oakley (California) | 1,930.64 mi (3,107.06 km) |
| Gallatin to Oakton (Virginia) | 530.51 mi (853.77 km) |
| Gallatin to Oakville (Missouri) | 255.10 mi (410.54 km) |
| Gallatin to Oatfield (Oregon) | 1,968.21 mi (3,167.53 km) |
| Gallatin to Ocala (Florida) | 556.99 mi (896.39 km) |
| Gallatin to Ocean Acres (New Jersey) | 701.98 mi (1,129.73 km) |
| Gallatin to Ocean City (New Jersey) | 677.19 mi (1,089.83 km) |
| Gallatin to Ocean Pines (Maryland) | 636.38 mi (1,024.16 km) |
| Gallatin to Ocean Pointe (Hawaii) | 4,357.95 mi (7,013.44 km) |
| Gallatin to Ocean Springs (Mississippi) | 433.55 mi (697.72 km) |
| Gallatin to Oceanside (California) | 1,755.64 mi (2,825.43 km) |
| Gallatin to Oceanside (New York) | 752.64 mi (1,211.26 km) |
| Gallatin to Ocoee (Florida) | 610.60 mi (982.67 km) |
| Gallatin to Oconomowoc (Wisconsin) | 476.66 mi (767.11 km) |
| Gallatin to Odenton (Maryland) | 565.28 mi (909.72 km) |
