| Nidderau to Orangevale (California) | 5,586.46 mi (8,990.54 km) |
| Nidderau to Orchards (Washington) | 5,199.38 mi (8,367.59 km) |
| Nidderau to Orcutt (California) | 5,793.60 mi (9,323.90 km) |
| Nidderau to Oregon (Ohio) | 4,184.17 mi (6,733.77 km) |
| Nidderau to Oregon (Wisconsin) | 4,343.45 mi (6,990.10 km) |
| Nidderau to Oregon City (Oregon) | 5,221.70 mi (8,403.51 km) |
| Nidderau to Orem (Utah) | 5,222.15 mi (8,404.25 km) |
| Nidderau to Orinda (California) | 5,660.57 mi (9,109.80 km) |
| Nidderau to Orland Park (Illinois) | 4,351.79 mi (7,003.54 km) |
| Nidderau to Orlando (Florida) | 4,742.39 mi (7,632.14 km) |
| Nidderau to Ormond Beach (Florida) | 4,691.43 mi (7,550.12 km) |
| Nidderau to Oro Valley (Arizona) | 5,649.06 mi (9,091.28 km) |
| Nidderau to Oroville (California) | 5,546.79 mi (8,926.69 km) |
| Nidderau to Oshkosh (Wisconsin) | 4,260.80 mi (6,857.10 km) |
| Nidderau to Oskaloosa (Iowa) | 4,540.62 mi (7,307.42 km) |
