| Demmin to Olympia Heights (Florida) | 4,931.41 mi (7,936.33 km) |
| Demmin to Omaha (Nebraska) | 4,640.86 mi (7,468.74 km) |
| Demmin to On Top of the World Designated Place (Florida) | 4,822.99 mi (7,761.86 km) |
| Demmin to Onalaska (Wisconsin) | 4,345.47 mi (6,993.36 km) |
| Demmin to Oneida (New York) | 3,857.76 mi (6,208.46 km) |
| Demmin to Oneonta (New York) | 3,866.47 mi (6,222.48 km) |
| Demmin to Ontario (California) | 5,685.17 mi (9,149.39 km) |
| Demmin to Ontario (Oregon) | 5,057.02 mi (8,138.48 km) |
| Demmin to Opa-locka (Florida) | 4,918.66 mi (7,915.82 km) |
| Demmin to Opelika (Alabama) | 4,745.89 mi (7,637.77 km) |
| Demmin to Opelousas (Louisiana) | 5,103.17 mi (8,212.76 km) |
| Demmin to Orange (California) | 5,705.26 mi (9,181.72 km) |
| Demmin to Orange (Texas) | 5,184.55 mi (8,343.72 km) |
| Demmin to Orange City (Florida) | 4,794.42 mi (7,715.87 km) |
| Demmin to Orangeburg (South Carolina) | 4,535.61 mi (7,299.36 km) |
