| Appenzell to Oak Harbor (Washington) | 5,230.40 mi (8,417.52 km) |
| Appenzell to Oak Hills (Oregon) | 5,398.59 mi (8,688.19 km) |
| Appenzell to Oak Lawn (Illinois) | 4,475.66 mi (7,202.87 km) |
| Appenzell to Oak Park (California) | 5,954.68 mi (9,583.13 km) |
| Appenzell to Oak Park (Illinois) | 4,469.07 mi (7,192.28 km) |
| Appenzell to Oak Park (Michigan) | 4,264.52 mi (6,863.08 km) |
| Appenzell to Oak Ridge (Florida) | 4,837.11 mi (7,784.57 km) |
| Appenzell to Oak Ridge (New Jersey) | 3,974.63 mi (6,396.56 km) |
| Appenzell to Oak Ridge (Tennessee) | 4,605.14 mi (7,411.26 km) |
| Appenzell to Oakdale (California) | 5,805.92 mi (9,343.73 km) |
| Appenzell to Oakdale (Minnesota) | 4,515.32 mi (7,266.71 km) |
| Appenzell to Oakland (California) | 5,842.71 mi (9,402.93 km) |
| Appenzell to Oakland (New Jersey) | 3,964.00 mi (6,379.44 km) |
| Appenzell to Oakland Park (Florida) | 4,891.42 mi (7,871.97 km) |
| Appenzell to Oakleaf Plantation (Florida) | 4,774.32 mi (7,683.53 km) |
