| Sigmaringen to Orangevale (California) | 5,714.44 mi (9,196.51 km) |
| Sigmaringen to Orchards (Washington) | 5,333.06 mi (8,582.73 km) |
| Sigmaringen to Orcutt (California) | 5,918.04 mi (9,524.17 km) |
| Sigmaringen to Oregon (Ohio) | 4,274.64 mi (6,879.37 km) |
| Sigmaringen to Oregon (Wisconsin) | 4,442.90 mi (7,150.16 km) |
| Sigmaringen to Oregon City (Oregon) | 5,355.21 mi (8,618.38 km) |
| Sigmaringen to Orem (Utah) | 5,342.18 mi (8,597.41 km) |
| Sigmaringen to Orinda (California) | 5,788.89 mi (9,316.32 km) |
| Sigmaringen to Orland Park (Illinois) | 4,447.40 mi (7,157.39 km) |
| Sigmaringen to Orlando (Florida) | 4,806.45 mi (7,735.24 km) |
| Sigmaringen to Ormond Beach (Florida) | 4,756.57 mi (7,654.96 km) |
| Sigmaringen to Oro Valley (Arizona) | 5,760.62 mi (9,270.82 km) |
| Sigmaringen to Oroville (California) | 5,675.65 mi (9,134.07 km) |
| Sigmaringen to Oshkosh (Wisconsin) | 4,361.11 mi (7,018.52 km) |
| Sigmaringen to Oskaloosa (Iowa) | 4,641.23 mi (7,469.34 km) |
