| Unterwellenborn to Orangevale (California) | 5,629.98 mi (9,060.58 km) |
| Unterwellenborn to Orchards (Washington) | 5,234.73 mi (8,424.48 km) |
| Unterwellenborn to Orcutt (California) | 5,841.62 mi (9,401.17 km) |
| Unterwellenborn to Oregon (Ohio) | 4,264.57 mi (6,863.16 km) |
| Unterwellenborn to Oregon (Wisconsin) | 4,417.09 mi (7,108.63 km) |
| Unterwellenborn to Oregon City (Oregon) | 5,257.31 mi (8,460.82 km) |
| Unterwellenborn to Orem (Utah) | 5,275.79 mi (8,490.56 km) |
| Unterwellenborn to Orinda (California) | 5,703.57 mi (9,179.01 km) |
| Unterwellenborn to Orland Park (Illinois) | 4,428.39 mi (7,126.81 km) |
| Unterwellenborn to Orlando (Florida) | 4,837.71 mi (7,785.54 km) |
| Unterwellenborn to Ormond Beach (Florida) | 4,786.24 mi (7,702.71 km) |
| Unterwellenborn to Oro Valley (Arizona) | 5,711.27 mi (9,191.40 km) |
| Unterwellenborn to Oroville (California) | 5,589.13 mi (8,994.83 km) |
| Unterwellenborn to Oshkosh (Wisconsin) | 4,333.84 mi (6,974.64 km) |
| Unterwellenborn to Oskaloosa (Iowa) | 4,613.20 mi (7,424.23 km) |
