| Manhattan to Oakley (California) | 2,524.49 mi (4,062.77 km) |
| Manhattan to Oakton (Virginia) | 220.09 mi (354.20 km) |
| Manhattan to Oakville (Missouri) | 883.89 mi (1,422.49 km) |
| Manhattan to Oatfield (Oregon) | 2,436.39 mi (3,920.99 km) |
| Manhattan to Ocala (Florida) | 925.06 mi (1,488.74 km) |
| Manhattan to Ocean Acres (New Jersey) | 73.77 mi (118.72 km) |
| Manhattan to Ocean City (New Jersey) | 109.97 mi (176.98 km) |
| Manhattan to Ocean Pines (Maryland) | 177.26 mi (285.28 km) |
| Manhattan to Ocean Pointe (Hawaii) | 4,968.98 mi (7,996.79 km) |
| Manhattan to Ocean Springs (Mississippi) | 1,095.91 mi (1,763.69 km) |
| Manhattan to Oceanside (California) | 2,422.34 mi (3,898.38 km) |
| Manhattan to Oceanside (New York) | 20.17 mi (32.45 km) |
| Manhattan to Ocoee (Florida) | 945.54 mi (1,521.69 km) |
| Manhattan to Oconomowoc (Wisconsin) | 762.59 mi (1,227.26 km) |
| Manhattan to Odenton (Maryland) | 186.98 mi (300.91 km) |
