| Hasselt to Oswego (Illinois) | 4,208.72 mi (6,773.28 km) |
| Hasselt to Oswego (New York) | 3,676.37 mi (5,916.55 km) |
| Hasselt to Otsego (Minnesota) | 4,225.36 mi (6,800.05 km) |
| Hasselt to Ottawa (Illinois) | 4,242.65 mi (6,827.88 km) |
| Hasselt to Ottawa (Kansas) | 4,616.31 mi (7,429.23 km) |
| Hasselt to Ottumwa (Iowa) | 4,391.09 mi (7,066.78 km) |
| Hasselt to Overland (Missouri) | 4,430.33 mi (7,129.93 km) |
| Hasselt to Overland Park (Kansas) | 4,580.67 mi (7,371.88 km) |
| Hasselt to Overlea (Maryland) | 3,858.45 mi (6,209.58 km) |
| Hasselt to Oviedo (Florida) | 4,563.99 mi (7,345.03 km) |
| Hasselt to Owasso (Oklahoma) | 4,755.92 mi (7,653.91 km) |
| Hasselt to Owatonna (Minnesota) | 4,269.05 mi (6,870.38 km) |
| Hasselt to Owensboro (Kentucky) | 4,352.64 mi (7,004.89 km) |
| Hasselt to Owings Mills (Maryland) | 3,867.32 mi (6,223.86 km) |
| Hasselt to Owosso (Michigan) | 3,991.36 mi (6,423.48 km) |
