| Uniondale to Oakleaf Plantation (Florida) | 862.92 mi (1,388.74 km) |
| Uniondale to Oakley (California) | 2,544.45 mi (4,094.90 km) |
| Uniondale to Oakton (Virginia) | 233.81 mi (376.29 km) |
| Uniondale to Oakville (Missouri) | 902.88 mi (1,453.05 km) |
| Uniondale to Oatfield (Oregon) | 2,455.99 mi (3,952.53 km) |
| Uniondale to Ocala (Florida) | 931.89 mi (1,499.73 km) |
| Uniondale to Ocean Acres (New Jersey) | 76.44 mi (123.02 km) |
| Uniondale to Ocean City (New Jersey) | 113.46 mi (182.59 km) |
| Uniondale to Ocean Pines (Maryland) | 181.17 mi (291.57 km) |
| Uniondale to Ocean Pointe (Hawaii) | 4,988.95 mi (8,028.93 km) |
| Uniondale to Ocean Springs (Mississippi) | 1,109.05 mi (1,784.84 km) |
| Uniondale to Oceanside (California) | 2,441.93 mi (3,929.90 km) |
| Uniondale to Oceanside (New York) | 6.25 mi (10.06 km) |
| Uniondale to Ocoee (Florida) | 951.30 mi (1,530.98 km) |
| Uniondale to Oconomowoc (Wisconsin) | 782.51 mi (1,259.33 km) |
