| Sankt Gallen to Orangevale (California) | 5,755.42 mi (9,262.46 km) |
| Sankt Gallen to Orchards (Washington) | 5,375.61 mi (8,651.21 km) |
| Sankt Gallen to Orcutt (California) | 5,958.03 mi (9,588.52 km) |
| Sankt Gallen to Oregon (Ohio) | 4,305.21 mi (6,928.56 km) |
| Sankt Gallen to Oregon (Wisconsin) | 4,476.02 mi (7,203.45 km) |
| Sankt Gallen to Oregon City (Oregon) | 5,397.72 mi (8,686.78 km) |
| Sankt Gallen to Orem (Utah) | 5,380.99 mi (8,659.86 km) |
| Sankt Gallen to Orinda (California) | 5,829.96 mi (9,382.41 km) |
| Sankt Gallen to Orland Park (Illinois) | 4,479.40 mi (7,208.90 km) |
| Sankt Gallen to Orlando (Florida) | 4,829.16 mi (7,771.79 km) |
| Sankt Gallen to Ormond Beach (Florida) | 4,779.62 mi (7,692.05 km) |
| Sankt Gallen to Oro Valley (Arizona) | 5,796.99 mi (9,329.35 km) |
| Sankt Gallen to Oroville (California) | 5,716.87 mi (9,200.41 km) |
| Sankt Gallen to Oshkosh (Wisconsin) | 4,394.47 mi (7,072.22 km) |
| Sankt Gallen to Oskaloosa (Iowa) | 4,674.64 mi (7,523.11 km) |
