| Uniondale to Oskaloosa (Iowa) | 991.87 mi (1,596.27 km) |
| Uniondale to Oswego (Illinois) | 768.36 mi (1,236.56 km) |
| Uniondale to Oswego (New York) | 240.56 mi (387.14 km) |
| Uniondale to Otsego (Minnesota) | 1,056.50 mi (1,700.28 km) |
| Uniondale to Ottawa (Illinois) | 794.01 mi (1,277.83 km) |
| Uniondale to Ottawa (Kansas) | 1,158.87 mi (1,865.03 km) |
| Uniondale to Ottumwa (Iowa) | 981.85 mi (1,580.13 km) |
| Uniondale to Overland (Missouri) | 901.07 mi (1,450.13 km) |
| Uniondale to Overland Park (Kansas) | 1,123.99 mi (1,808.89 km) |
| Uniondale to Overlea (Maryland) | 180.67 mi (290.76 km) |
| Uniondale to Oviedo (Florida) | 937.33 mi (1,508.48 km) |
| Uniondale to Owasso (Oklahoma) | 1,236.99 mi (1,990.74 km) |
| Uniondale to Owatonna (Minnesota) | 1,025.91 mi (1,651.04 km) |
| Uniondale to Owensboro (Kentucky) | 751.12 mi (1,208.81 km) |
| Uniondale to Owings Mills (Maryland) | 191.59 mi (308.34 km) |
