| Altdorf to Oswego (Illinois) | 4,487.92 mi (7,222.61 km) |
| Altdorf to Oswego (New York) | 3,941.37 mi (6,343.01 km) |
| Altdorf to Otsego (Minnesota) | 4,518.69 mi (7,272.12 km) |
| Altdorf to Ottawa (Illinois) | 4,521.88 mi (7,277.26 km) |
| Altdorf to Ottawa (Kansas) | 4,899.84 mi (7,885.53 km) |
| Altdorf to Ottumwa (Iowa) | 4,674.99 mi (7,523.66 km) |
| Altdorf to Overland (Missouri) | 4,706.26 mi (7,573.99 km) |
| Altdorf to Overland Park (Kansas) | 4,863.86 mi (7,827.63 km) |
| Altdorf to Overlea (Maryland) | 4,111.07 mi (6,616.12 km) |
| Altdorf to Oviedo (Florida) | 4,795.00 mi (7,716.80 km) |
| Altdorf to Owasso (Oklahoma) | 5,036.02 mi (8,104.69 km) |
| Altdorf to Owatonna (Minnesota) | 4,559.83 mi (7,338.34 km) |
| Altdorf to Owensboro (Kentucky) | 4,620.82 mi (7,436.50 km) |
| Altdorf to Owings Mills (Maryland) | 4,120.62 mi (6,631.49 km) |
| Altdorf to Owosso (Michigan) | 4,267.28 mi (6,867.53 km) |
