| Assen to Oswego (Illinois) | 4,178.97 mi (6,725.40 km) |
| Assen to Oswego (New York) | 3,661.08 mi (5,891.94 km) |
| Assen to Otsego (Minnesota) | 4,180.14 mi (6,727.28 km) |
| Assen to Ottawa (Illinois) | 4,212.81 mi (6,779.86 km) |
| Assen to Ottawa (Kansas) | 4,581.42 mi (7,373.09 km) |
| Assen to Ottumwa (Iowa) | 4,356.21 mi (7,010.64 km) |
| Assen to Overland (Missouri) | 4,403.38 mi (7,086.56 km) |
| Assen to Overland Park (Kansas) | 4,546.21 mi (7,316.41 km) |
| Assen to Overlea (Maryland) | 3,853.14 mi (6,201.02 km) |
| Assen to Oviedo (Florida) | 4,573.28 mi (7,359.98 km) |
| Assen to Owasso (Oklahoma) | 4,724.31 mi (7,603.05 km) |
| Assen to Owatonna (Minnesota) | 4,226.78 mi (6,802.35 km) |
| Assen to Owensboro (Kentucky) | 4,333.04 mi (6,973.35 km) |
| Assen to Owings Mills (Maryland) | 3,861.44 mi (6,214.38 km) |
| Assen to Owosso (Michigan) | 3,965.27 mi (6,381.49 km) |
