| Three Lakes to Oskaloosa (Iowa) | 1,288.15 mi (2,073.07 km) |
| Three Lakes to Oswego (Illinois) | 1,197.32 mi (1,926.90 km) |
| Three Lakes to Oswego (New York) | 1,250.02 mi (2,011.71 km) |
| Three Lakes to Otsego (Minnesota) | 1,541.94 mi (2,481.51 km) |
| Three Lakes to Ottawa (Illinois) | 1,187.83 mi (1,911.63 km) |
| Three Lakes to Ottawa (Kansas) | 1,244.93 mi (2,003.51 km) |
| Three Lakes to Ottumwa (Iowa) | 1,266.14 mi (2,037.66 km) |
| Three Lakes to Overland (Missouri) | 1,072.43 mi (1,725.91 km) |
| Three Lakes to Overland Park (Kansas) | 1,235.49 mi (1,988.32 km) |
| Three Lakes to Overlea (Maryland) | 974.48 mi (1,568.28 km) |
| Three Lakes to Oviedo (Florida) | 213.96 mi (344.34 km) |
| Three Lakes to Owasso (Oklahoma) | 1,170.71 mi (1,884.07 km) |
| Three Lakes to Owatonna (Minnesota) | 1,463.58 mi (2,355.41 km) |
| Three Lakes to Owensboro (Kentucky) | 924.89 mi (1,488.47 km) |
| Three Lakes to Owings Mills (Maryland) | 974.12 mi (1,567.69 km) |
