| Mishawaka to Oswego (Illinois) | 112.01 mi (180.27 km) |
| Mishawaka to Oswego (New York) | 506.68 mi (815.42 km) |
| Mishawaka to Otsego (Minnesota) | 448.34 mi (721.54 km) |
| Mishawaka to Ottawa (Illinois) | 139.34 mi (224.24 km) |
| Mishawaka to Ottawa (Kansas) | 525.03 mi (844.95 km) |
| Mishawaka to Ottumwa (Iowa) | 327.36 mi (526.83 km) |
| Mishawaka to Overland (Missouri) | 302.46 mi (486.77 km) |
| Mishawaka to Overland Park (Kansas) | 488.37 mi (785.96 km) |
| Mishawaka to Overlea (Maryland) | 531.00 mi (854.56 km) |
| Mishawaka to Oviedo (Florida) | 941.83 mi (1,515.72 km) |
| Mishawaka to Owasso (Oklahoma) | 638.05 mi (1,026.84 km) |
| Mishawaka to Owatonna (Minnesota) | 394.55 mi (634.97 km) |
| Mishawaka to Owensboro (Kentucky) | 275.29 mi (443.03 km) |
| Mishawaka to Owings Mills (Maryland) | 516.16 mi (830.69 km) |
| Mishawaka to Owosso (Michigan) | 136.64 mi (219.89 km) |
