| Middle Island to Odessa (Texas) | 1,739.55 mi (2,799.54 km) |
| Middle Island to Ogden (Utah) | 2,015.87 mi (3,244.23 km) |
| Middle Island to Oildale (California) | 2,502.85 mi (4,027.95 km) |
| Middle Island to Ojus (Florida) | 1,111.23 mi (1,788.35 km) |
| Middle Island to Okemos (Michigan) | 603.46 mi (971.17 km) |
| Middle Island to Oklahoma City (Oklahoma) | 1,380.76 mi (2,222.12 km) |
| Middle Island to Okmulgee (Oklahoma) | 1,298.91 mi (2,090.40 km) |
| Middle Island to Olathe (Kansas) | 1,164.89 mi (1,874.71 km) |
| Middle Island to Old Jamestown (Missouri) | 928.81 mi (1,494.78 km) |
| Middle Island to Oldsmar (Florida) | 1,044.01 mi (1,680.17 km) |
| Middle Island to Olean (New York) | 295.72 mi (475.91 km) |
| Middle Island to Olive Branch (Mississippi) | 1,005.83 mi (1,618.72 km) |
| Middle Island to Olivehurst (California) | 2,543.17 mi (4,092.84 km) |
| Middle Island to Olney (Maryland) | 249.18 mi (401.02 km) |
| Middle Island to Olympia (Washington) | 2,477.09 mi (3,986.49 km) |
