| Oestrich-Winkel to Olympia Heights (Florida) | 4,805.91 mi (7,734.36 km) |
| Oestrich-Winkel to Omaha (Nebraska) | 4,641.46 mi (7,469.70 km) |
| Oestrich-Winkel to On Top of the World Designated Place (Florida) | 4,718.79 mi (7,594.16 km) |
| Oestrich-Winkel to Onalaska (Wisconsin) | 4,339.77 mi (6,984.18 km) |
| Oestrich-Winkel to Oneida (New York) | 3,793.14 mi (6,104.47 km) |
| Oestrich-Winkel to Oneonta (New York) | 3,796.44 mi (6,109.79 km) |
| Oestrich-Winkel to Ontario (California) | 5,747.43 mi (9,249.60 km) |
| Oestrich-Winkel to Ontario (Oregon) | 5,146.58 mi (8,282.62 km) |
| Oestrich-Winkel to Opa-locka (Florida) | 4,793.51 mi (7,714.40 km) |
| Oestrich-Winkel to Opelika (Alabama) | 4,668.71 mi (7,513.57 km) |
| Oestrich-Winkel to Opelousas (Louisiana) | 5,044.68 mi (8,118.63 km) |
| Oestrich-Winkel to Orange (California) | 5,767.77 mi (9,282.33 km) |
| Oestrich-Winkel to Orange (Texas) | 5,131.50 mi (8,258.36 km) |
| Oestrich-Winkel to Orange City (Florida) | 4,685.50 mi (7,540.59 km) |
| Oestrich-Winkel to Orangeburg (South Carolina) | 4,444.16 mi (7,152.18 km) |
