| Lake Zurich to Oswego (Illinois) | 37.65 mi (60.60 km) |
| Lake Zurich to Oswego (New York) | 593.04 mi (954.41 km) |
| Lake Zurich to Otsego (Minnesota) | 348.17 mi (560.32 km) |
| Lake Zurich to Ottawa (Illinois) | 69.42 mi (111.73 km) |
| Lake Zurich to Ottawa (Kansas) | 451.78 mi (727.07 km) |
| Lake Zurich to Ottumwa (Iowa) | 238.04 mi (383.09 km) |
| Lake Zurich to Overland (Missouri) | 269.87 mi (434.31 km) |
| Lake Zurich to Overland Park (Kansas) | 414.96 mi (667.81 km) |
| Lake Zurich to Overlea (Maryland) | 635.53 mi (1,022.78 km) |
| Lake Zurich to Oviedo (Florida) | 1,011.91 mi (1,628.51 km) |
| Lake Zurich to Owasso (Oklahoma) | 581.19 mi (935.34 km) |
| Lake Zurich to Owatonna (Minnesota) | 290.46 mi (467.45 km) |
| Lake Zurich to Owensboro (Kentucky) | 310.91 mi (500.35 km) |
| Lake Zurich to Owings Mills (Maryland) | 620.73 mi (998.97 km) |
| Lake Zurich to Owosso (Michigan) | 206.44 mi (332.23 km) |
