| Trofaiach to Orangevale (California) | 5,905.37 mi (9,503.78 km) |
| Trofaiach to Orchards (Washington) | 5,508.77 mi (8,865.51 km) |
| Trofaiach to Orcutt (California) | 6,117.12 mi (9,844.55 km) |
| Trofaiach to Oregon (Ohio) | 4,523.24 mi (7,279.45 km) |
| Trofaiach to Oregon (Wisconsin) | 4,682.31 mi (7,535.44 km) |
| Trofaiach to Oregon City (Oregon) | 5,531.41 mi (8,901.95 km) |
| Trofaiach to Orem (Utah) | 5,550.69 mi (8,932.97 km) |
| Trofaiach to Orinda (California) | 5,978.92 mi (9,622.14 km) |
| Trofaiach to Orland Park (Illinois) | 4,690.99 mi (7,549.42 km) |
| Trofaiach to Orlando (Florida) | 5,072.57 mi (8,163.51 km) |
| Trofaiach to Ormond Beach (Florida) | 5,022.20 mi (8,082.45 km) |
| Trofaiach to Oro Valley (Arizona) | 5,983.64 mi (9,629.73 km) |
| Trofaiach to Oroville (California) | 5,864.41 mi (9,437.86 km) |
| Trofaiach to Oshkosh (Wisconsin) | 4,599.54 mi (7,402.25 km) |
| Trofaiach to Oskaloosa (Iowa) | 4,879.28 mi (7,852.44 km) |
