| Hauppauge to Oswego (Illinois) | 786.98 mi (1,266.52 km) |
| Hauppauge to Oswego (New York) | 247.83 mi (398.85 km) |
| Hauppauge to Otsego (Minnesota) | 1,072.02 mi (1,725.25 km) |
| Hauppauge to Ottawa (Illinois) | 812.91 mi (1,308.25 km) |
| Hauppauge to Ottawa (Kansas) | 1,178.98 mi (1,897.39 km) |
| Hauppauge to Ottumwa (Iowa) | 1,000.87 mi (1,610.74 km) |
| Hauppauge to Overland (Missouri) | 921.55 mi (1,483.09 km) |
| Hauppauge to Overland Park (Kansas) | 1,144.03 mi (1,841.14 km) |
| Hauppauge to Overlea (Maryland) | 201.67 mi (324.56 km) |
| Hauppauge to Oviedo (Florida) | 953.60 mi (1,534.67 km) |
| Hauppauge to Owasso (Oklahoma) | 1,257.80 mi (2,024.23 km) |
| Hauppauge to Owatonna (Minnesota) | 1,042.48 mi (1,677.71 km) |
| Hauppauge to Owensboro (Kentucky) | 772.22 mi (1,242.77 km) |
| Hauppauge to Owings Mills (Maryland) | 212.76 mi (342.40 km) |
| Hauppauge to Owosso (Michigan) | 583.02 mi (938.28 km) |
