| Northlake to Oswego (Illinois) | 27.37 mi (44.04 km) |
| Northlake to Oswego (New York) | 588.44 mi (947.00 km) |
| Northlake to Otsego (Minnesota) | 367.83 mi (591.97 km) |
| Northlake to Ottawa (Illinois) | 61.24 mi (98.56 km) |
| Northlake to Ottawa (Kansas) | 450.30 mi (724.68 km) |
| Northlake to Ottumwa (Iowa) | 241.67 mi (388.94 km) |
| Northlake to Overland (Missouri) | 257.41 mi (414.26 km) |
| Northlake to Overland Park (Kansas) | 413.42 mi (665.33 km) |
| Northlake to Overlea (Maryland) | 621.97 mi (1,000.96 km) |
| Northlake to Oviedo (Florida) | 990.36 mi (1,593.82 km) |
| Northlake to Owasso (Oklahoma) | 575.48 mi (926.14 km) |
| Northlake to Owatonna (Minnesota) | 308.20 mi (496.01 km) |
| Northlake to Owensboro (Kentucky) | 290.22 mi (467.07 km) |
| Northlake to Owings Mills (Maryland) | 607.11 mi (977.05 km) |
| Northlake to Owosso (Michigan) | 204.25 mi (328.70 km) |
