| Hillcrest Heights to Oswego (Illinois) | 630.50 mi (1,014.70 km) |
| Hillcrest Heights to Oswego (New York) | 319.73 mi (514.55 km) |
| Hillcrest Heights to Otsego (Minnesota) | 960.50 mi (1,545.78 km) |
| Hillcrest Heights to Ottawa (Illinois) | 650.05 mi (1,046.15 km) |
| Hillcrest Heights to Ottawa (Kansas) | 984.99 mi (1,585.18 km) |
| Hillcrest Heights to Ottumwa (Iowa) | 831.45 mi (1,338.08 km) |
| Hillcrest Heights to Overland (Missouri) | 721.56 mi (1,161.24 km) |
| Hillcrest Heights to Overland Park (Kansas) | 951.99 mi (1,532.09 km) |
| Hillcrest Heights to Overlea (Maryland) | 43.57 mi (70.13 km) |
| Hillcrest Heights to Oviedo (Florida) | 743.74 mi (1,196.94 km) |
| Hillcrest Heights to Owasso (Oklahoma) | 1,046.29 mi (1,683.84 km) |
| Hillcrest Heights to Owatonna (Minnesota) | 915.10 mi (1,472.71 km) |
| Hillcrest Heights to Owensboro (Kentucky) | 555.28 mi (893.64 km) |
| Hillcrest Heights to Owings Mills (Maryland) | 40.74 mi (65.57 km) |
| Hillcrest Heights to Owosso (Michigan) | 473.33 mi (761.76 km) |
