| Namur to Oswego (Illinois) | 4,207.82 mi (6,771.83 km) |
| Namur to Oswego (New York) | 3,672.00 mi (5,909.52 km) |
| Namur to Otsego (Minnesota) | 4,228.44 mi (6,805.02 km) |
| Namur to Ottawa (Illinois) | 4,241.76 mi (6,826.46 km) |
| Namur to Ottawa (Kansas) | 4,616.61 mi (7,429.71 km) |
| Namur to Ottumwa (Iowa) | 4,391.46 mi (7,067.37 km) |
| Namur to Overland (Missouri) | 4,428.66 mi (7,127.23 km) |
| Namur to Overland Park (Kansas) | 4,580.87 mi (7,372.21 km) |
| Namur to Overlea (Maryland) | 3,851.55 mi (6,198.46 km) |
| Namur to Oviedo (Florida) | 4,553.31 mi (7,327.84 km) |
| Namur to Owasso (Oklahoma) | 4,755.34 mi (7,652.98 km) |
| Namur to Owatonna (Minnesota) | 4,271.36 mi (6,874.08 km) |
| Namur to Owensboro (Kentucky) | 4,349.13 mi (6,999.25 km) |
| Namur to Owings Mills (Maryland) | 3,860.55 mi (6,212.96 km) |
| Namur to Owosso (Michigan) | 3,989.61 mi (6,420.65 km) |
