| Patchogue to Olympia (Washington) | 2,477.58 mi (3,987.28 km) |
| Patchogue to Olympia Heights (Florida) | 1,120.76 mi (1,803.68 km) |
| Patchogue to Omaha (Nebraska) | 1,197.89 mi (1,927.81 km) |
| Patchogue to On Top of the World Designated Place (Florida) | 960.04 mi (1,545.04 km) |
| Patchogue to Onalaska (Wisconsin) | 951.80 mi (1,531.78 km) |
| Patchogue to Oneida (New York) | 209.86 mi (337.74 km) |
| Patchogue to Oneonta (New York) | 157.72 mi (253.82 km) |
| Patchogue to Ontario (California) | 2,464.00 mi (3,965.42 km) |
| Patchogue to Ontario (Oregon) | 2,227.66 mi (3,585.08 km) |
| Patchogue to Opa-locka (Florida) | 1,107.57 mi (1,782.45 km) |
| Patchogue to Opelika (Alabama) | 882.67 mi (1,420.53 km) |
| Patchogue to Opelousas (Louisiana) | 1,278.51 mi (2,057.57 km) |
| Patchogue to Orange (California) | 2,481.96 mi (3,994.33 km) |
| Patchogue to Orange (Texas) | 1,374.30 mi (2,211.73 km) |
| Patchogue to Orange City (Florida) | 941.08 mi (1,514.51 km) |
