| Warsaw to Oswego (Illinois) | 4,700.39 mi (7,564.55 km) |
| Warsaw to Oswego (New York) | 4,211.49 mi (6,777.74 km) |
| Warsaw to Otsego (Minnesota) | 4,667.26 mi (7,511.23 km) |
| Warsaw to Ottawa (Illinois) | 4,733.86 mi (7,618.41 km) |
| Warsaw to Ottawa (Kansas) | 5,089.74 mi (8,191.14 km) |
| Warsaw to Ottumwa (Iowa) | 4,865.84 mi (7,830.82 km) |
| Warsaw to Overland (Missouri) | 4,929.18 mi (7,932.75 km) |
| Warsaw to Overland Park (Kansas) | 5,055.63 mi (8,136.25 km) |
| Warsaw to Overlea (Maryland) | 4,417.82 mi (7,109.79 km) |
| Warsaw to Oviedo (Florida) | 5,154.45 mi (8,295.29 km) |
| Warsaw to Owasso (Oklahoma) | 5,238.89 mi (8,431.17 km) |
| Warsaw to Owatonna (Minnesota) | 4,720.60 mi (7,597.07 km) |
| Warsaw to Owensboro (Kentucky) | 4,872.98 mi (7,842.30 km) |
| Warsaw to Owings Mills (Maryland) | 4,425.28 mi (7,121.80 km) |
| Warsaw to Owosso (Michigan) | 4,495.08 mi (7,234.13 km) |
