| Altdorf to Orangevale (California) | 5,765.44 mi (9,278.59 km) |
| Altdorf to Orchards (Washington) | 5,389.62 mi (8,673.76 km) |
| Altdorf to Orcutt (California) | 5,965.77 mi (9,600.98 km) |
| Altdorf to Oregon (Ohio) | 4,296.66 mi (6,914.80 km) |
| Altdorf to Oregon (Wisconsin) | 4,471.32 mi (7,195.90 km) |
| Altdorf to Oregon City (Oregon) | 5,411.60 mi (8,709.13 km) |
| Altdorf to Orem (Utah) | 5,386.32 mi (8,668.44 km) |
| Altdorf to Orinda (California) | 5,840.18 mi (9,398.86 km) |
| Altdorf to Orland Park (Illinois) | 4,472.98 mi (7,198.57 km) |
| Altdorf to Orlando (Florida) | 4,810.16 mi (7,741.21 km) |
| Altdorf to Ormond Beach (Florida) | 4,761.03 mi (7,662.14 km) |
| Altdorf to Oro Valley (Arizona) | 5,797.61 mi (9,330.34 km) |
| Altdorf to Oroville (California) | 5,727.47 mi (9,217.47 km) |
| Altdorf to Oshkosh (Wisconsin) | 4,390.20 mi (7,065.35 km) |
| Altdorf to Oskaloosa (Iowa) | 4,670.39 mi (7,516.26 km) |
