| Ennigerloh to Olympia Heights (Florida) | 4,772.60 mi (7,680.75 km) |
| Ennigerloh to Omaha (Nebraska) | 4,565.26 mi (7,347.07 km) |
| Ennigerloh to On Top of the World Designated Place (Florida) | 4,677.38 mi (7,527.52 km) |
| Ennigerloh to Onalaska (Wisconsin) | 4,265.16 mi (6,864.10 km) |
| Ennigerloh to Oneida (New York) | 3,736.75 mi (6,013.72 km) |
| Ennigerloh to Oneonta (New York) | 3,741.91 mi (6,022.02 km) |
| Ennigerloh to Ontario (California) | 5,655.08 mi (9,100.97 km) |
| Ennigerloh to Ontario (Oregon) | 5,047.05 mi (8,122.45 km) |
| Ennigerloh to Opa-locka (Florida) | 4,760.05 mi (7,660.56 km) |
| Ennigerloh to Opelika (Alabama) | 4,617.58 mi (7,431.28 km) |
| Ennigerloh to Opelousas (Louisiana) | 4,987.50 mi (8,026.61 km) |
| Ennigerloh to Orange (California) | 5,675.36 mi (9,133.61 km) |
| Ennigerloh to Orange (Texas) | 5,072.59 mi (8,163.54 km) |
| Ennigerloh to Orange City (Florida) | 4,645.81 mi (7,476.71 km) |
| Ennigerloh to Orangeburg (South Carolina) | 4,397.86 mi (7,077.67 km) |
