| Giessen to Orangevale (California) | 5,561.92 mi (8,951.04 km) |
| Giessen to Orchards (Washington) | 5,174.46 mi (8,327.49 km) |
| Giessen to Orcutt (California) | 5,769.33 mi (9,284.84 km) |
| Giessen to Oregon (Ohio) | 4,163.55 mi (6,700.58 km) |
| Giessen to Oregon (Wisconsin) | 4,321.75 mi (6,955.18 km) |
| Giessen to Oregon City (Oregon) | 5,196.79 mi (8,363.43 km) |
| Giessen to Orem (Utah) | 5,198.28 mi (8,365.82 km) |
| Giessen to Orinda (California) | 5,636.00 mi (9,070.26 km) |
| Giessen to Orland Park (Illinois) | 4,330.54 mi (6,969.33 km) |
| Giessen to Orlando (Florida) | 4,725.14 mi (7,604.37 km) |
| Giessen to Ormond Beach (Florida) | 4,674.03 mi (7,522.12 km) |
| Giessen to Oro Valley (Arizona) | 5,625.98 mi (9,054.14 km) |
| Giessen to Oroville (California) | 5,522.18 mi (8,887.09 km) |
| Giessen to Oshkosh (Wisconsin) | 4,239.01 mi (6,822.03 km) |
| Giessen to Oskaloosa (Iowa) | 4,518.77 mi (7,272.26 km) |
