| Hohr-Grenzhausen to Orangevale (California) | 5,543.25 mi (8,921.00 km) |
| Hohr-Grenzhausen to Orchards (Washington) | 5,159.01 mi (8,302.63 km) |
| Hohr-Grenzhausen to Orcutt (California) | 5,748.91 mi (9,251.98 km) |
| Hohr-Grenzhausen to Oregon (Ohio) | 4,131.02 mi (6,648.23 km) |
| Hohr-Grenzhausen to Oregon (Wisconsin) | 4,291.76 mi (6,906.93 km) |
| Hohr-Grenzhausen to Oregon City (Oregon) | 5,181.24 mi (8,338.41 km) |
| Hohr-Grenzhausen to Orem (Utah) | 5,175.80 mi (8,329.65 km) |
| Hohr-Grenzhausen to Orinda (California) | 5,617.52 mi (9,040.52 km) |
| Hohr-Grenzhausen to Orland Park (Illinois) | 4,299.43 mi (6,919.27 km) |
| Hohr-Grenzhausen to Orlando (Florida) | 4,686.98 mi (7,542.97 km) |
| Hohr-Grenzhausen to Ormond Beach (Florida) | 4,636.06 mi (7,461.01 km) |
| Hohr-Grenzhausen to Oro Valley (Arizona) | 5,600.17 mi (9,012.60 km) |
| Hohr-Grenzhausen to Oroville (California) | 5,503.98 mi (8,857.79 km) |
| Hohr-Grenzhausen to Oshkosh (Wisconsin) | 4,209.27 mi (6,774.17 km) |
| Hohr-Grenzhausen to Oskaloosa (Iowa) | 4,489.17 mi (7,224.61 km) |
