| Oldebroek to Oswego (Illinois) | 4,174.76 mi (6,718.62 km) |
| Oldebroek to Oswego (New York) | 3,652.26 mi (5,877.74 km) |
| Oldebroek to Otsego (Minnesota) | 4,180.88 mi (6,728.48 km) |
| Oldebroek to Ottawa (Illinois) | 4,208.63 mi (6,773.14 km) |
| Oldebroek to Ottawa (Kansas) | 4,578.92 mi (7,369.05 km) |
| Oldebroek to Ottumwa (Iowa) | 4,353.66 mi (7,006.53 km) |
| Oldebroek to Overland (Missouri) | 4,398.33 mi (7,078.44 km) |
| Oldebroek to Overland Park (Kansas) | 4,543.56 mi (7,312.15 km) |
| Oldebroek to Overlea (Maryland) | 3,841.33 mi (6,182.03 km) |
| Oldebroek to Oviedo (Florida) | 4,557.29 mi (7,334.25 km) |
| Oldebroek to Owasso (Oklahoma) | 4,720.79 mi (7,597.37 km) |
| Oldebroek to Owatonna (Minnesota) | 4,226.58 mi (6,802.02 km) |
| Oldebroek to Owensboro (Kentucky) | 4,325.69 mi (6,961.52 km) |
| Oldebroek to Owings Mills (Maryland) | 3,849.81 mi (6,195.67 km) |
| Oldebroek to Owosso (Michigan) | 3,959.86 mi (6,372.79 km) |
