| Appenzell to Orangevale (California) | 5,761.74 mi (9,272.63 km) |
| Appenzell to Orchards (Washington) | 5,382.07 mi (8,661.60 km) |
| Appenzell to Orcutt (California) | 5,964.25 mi (9,598.54 km) |
| Appenzell to Oregon (Ohio) | 4,310.40 mi (6,936.92 km) |
| Appenzell to Oregon (Wisconsin) | 4,481.50 mi (7,212.28 km) |
| Appenzell to Oregon City (Oregon) | 5,404.17 mi (8,697.18 km) |
| Appenzell to Orem (Utah) | 5,387.09 mi (8,669.69 km) |
| Appenzell to Orinda (California) | 5,836.29 mi (9,392.60 km) |
| Appenzell to Orland Park (Illinois) | 4,484.76 mi (7,217.53 km) |
| Appenzell to Orlando (Florida) | 4,833.39 mi (7,778.58 km) |
| Appenzell to Ormond Beach (Florida) | 4,783.89 mi (7,698.92 km) |
| Appenzell to Oro Valley (Arizona) | 5,802.84 mi (9,338.76 km) |
| Appenzell to Oroville (California) | 5,723.21 mi (9,210.62 km) |
| Appenzell to Oshkosh (Wisconsin) | 4,399.99 mi (7,081.10 km) |
| Appenzell to Oskaloosa (Iowa) | 4,680.16 mi (7,531.99 km) |
