| Ham Lake to Oswego (Illinois) | 346.91 mi (558.30 km) |
| Ham Lake to Oswego (New York) | 833.03 mi (1,340.63 km) |
| Ham Lake to Otsego (Minnesota) | 20.26 mi (32.60 km) |
| Ham Lake to Ottawa (Illinois) | 347.77 mi (559.68 km) |
| Ham Lake to Ottawa (Kansas) | 471.80 mi (759.28 km) |
| Ham Lake to Ottumwa (Iowa) | 295.27 mi (475.19 km) |
| Ham Lake to Overland (Missouri) | 475.85 mi (765.80 km) |
| Ham Lake to Overland Park (Kansas) | 446.46 mi (718.50 km) |
| Ham Lake to Overlea (Maryland) | 942.34 mi (1,516.55 km) |
| Ham Lake to Oviedo (Florida) | 1,321.44 mi (2,126.65 km) |
| Ham Lake to Owasso (Oklahoma) | 634.51 mi (1,021.14 km) |
| Ham Lake to Owatonna (Minnesota) | 80.39 mi (129.37 km) |
| Ham Lake to Owensboro (Kentucky) | 605.80 mi (974.94 km) |
| Ham Lake to Owings Mills (Maryland) | 928.13 mi (1,493.68 km) |
| Ham Lake to Owosso (Michigan) | 473.86 mi (762.61 km) |
