| Sankt Gallen to Oakley (California) | 5,809.83 mi (9,350.02 km) |
| Sankt Gallen to Oakton (Virginia) | 4,178.09 mi (6,723.98 km) |
| Sankt Gallen to Oakville (Missouri) | 4,723.56 mi (7,601.84 km) |
| Sankt Gallen to Oatfield (Oregon) | 5,393.57 mi (8,680.11 km) |
| Sankt Gallen to Ocala (Florida) | 4,831.07 mi (7,774.86 km) |
| Sankt Gallen to Ocean Acres (New Jersey) | 4,014.83 mi (6,461.25 km) |
| Sankt Gallen to Ocean City (New Jersey) | 4,048.49 mi (6,515.41 km) |
| Sankt Gallen to Ocean Pines (Maryland) | 4,109.38 mi (6,613.40 km) |
| Sankt Gallen to Ocean Pointe (Hawaii) | 7,623.13 mi (12,268.24 km) |
| Sankt Gallen to Ocean Springs (Mississippi) | 5,053.89 mi (8,133.45 km) |
| Sankt Gallen to Oceanside (California) | 5,959.26 mi (9,590.51 km) |
| Sankt Gallen to Oceanside (New York) | 3,950.54 mi (6,357.77 km) |
| Sankt Gallen to Ocoee (Florida) | 4,832.84 mi (7,777.70 km) |
| Sankt Gallen to Oconomowoc (Wisconsin) | 4,434.42 mi (7,136.51 km) |
| Sankt Gallen to Odenton (Maryland) | 4,144.99 mi (6,670.72 km) |
