| Altdorf to Odessa (Texas) | 5,511.69 mi (8,870.20 km) |
| Altdorf to Ogden (Utah) | 5,343.56 mi (8,599.64 km) |
| Altdorf to Oildale (California) | 5,890.87 mi (9,480.44 km) |
| Altdorf to Ojus (Florida) | 4,877.21 mi (7,849.11 km) |
| Altdorf to Okemos (Michigan) | 4,289.28 mi (6,902.92 km) |
| Altdorf to Oklahoma City (Oklahoma) | 5,141.92 mi (8,275.12 km) |
| Altdorf to Okmulgee (Oklahoma) | 5,076.48 mi (8,169.81 km) |
| Altdorf to Olathe (Kansas) | 4,869.09 mi (7,836.04 km) |
| Altdorf to Old Jamestown (Missouri) | 4,696.19 mi (7,557.79 km) |
| Altdorf to Oldsmar (Florida) | 4,889.36 mi (7,868.66 km) |
| Altdorf to Olean (New York) | 4,076.40 mi (6,560.33 km) |
| Altdorf to Olive Branch (Mississippi) | 4,863.80 mi (7,827.52 km) |
| Altdorf to Olivehurst (California) | 5,751.98 mi (9,256.92 km) |
| Altdorf to Olney (Maryland) | 4,143.69 mi (6,668.63 km) |
| Altdorf to Olympia (Washington) | 5,319.28 mi (8,560.55 km) |
