| Aarau to Oswego (Illinois) | 4,444.37 mi (7,152.53 km) |
| Aarau to Oswego (New York) | 3,899.15 mi (6,275.07 km) |
| Aarau to Otsego (Minnesota) | 4,473.89 mi (7,200.03 km) |
| Aarau to Ottawa (Illinois) | 4,478.33 mi (7,207.17 km) |
| Aarau to Ottawa (Kansas) | 4,855.92 mi (7,814.84 km) |
| Aarau to Ottumwa (Iowa) | 4,631.02 mi (7,452.90 km) |
| Aarau to Overland (Missouri) | 4,663.04 mi (7,504.44 km) |
| Aarau to Overland Park (Kansas) | 4,819.97 mi (7,756.98 km) |
| Aarau to Overlea (Maryland) | 4,070.16 mi (6,550.29 km) |
| Aarau to Oviedo (Florida) | 4,756.59 mi (7,654.99 km) |
| Aarau to Owasso (Oklahoma) | 4,992.43 mi (8,034.53 km) |
| Aarau to Owatonna (Minnesota) | 4,515.25 mi (7,266.59 km) |
| Aarau to Owensboro (Kentucky) | 4,578.36 mi (7,368.16 km) |
| Aarau to Owings Mills (Maryland) | 4,079.64 mi (6,565.55 km) |
| Aarau to Owosso (Michigan) | 4,224.03 mi (6,797.92 km) |
