| Hohr-Grenzhausen to Odessa (Texas) | 5,332.10 mi (8,581.19 km) |
| Hohr-Grenzhausen to Ogden (Utah) | 5,131.33 mi (8,258.08 km) |
| Hohr-Grenzhausen to Oildale (California) | 5,675.52 mi (9,133.86 km) |
| Hohr-Grenzhausen to Ojus (Florida) | 4,764.41 mi (7,667.58 km) |
| Hohr-Grenzhausen to Okemos (Michigan) | 4,118.92 mi (6,628.76 km) |
| Hohr-Grenzhausen to Oklahoma City (Oklahoma) | 4,964.67 mi (7,989.86 km) |
| Hohr-Grenzhausen to Okmulgee (Oklahoma) | 4,901.89 mi (7,888.82 km) |
| Hohr-Grenzhausen to Olathe (Kansas) | 4,689.47 mi (7,546.98 km) |
| Hohr-Grenzhausen to Old Jamestown (Missouri) | 4,525.17 mi (7,282.56 km) |
| Hohr-Grenzhausen to Oldsmar (Florida) | 4,764.02 mi (7,666.95 km) |
| Hohr-Grenzhausen to Olean (New York) | 3,918.74 mi (6,306.60 km) |
| Hohr-Grenzhausen to Olive Branch (Mississippi) | 4,703.31 mi (7,569.25 km) |
| Hohr-Grenzhausen to Olivehurst (California) | 5,528.93 mi (8,897.95 km) |
| Hohr-Grenzhausen to Olney (Maryland) | 3,997.98 mi (6,434.13 km) |
| Hohr-Grenzhausen to Olympia (Washington) | 5,087.10 mi (8,186.89 km) |
