| Trier to Orangevale (California) | 5,551.66 mi (8,934.53 km) |
| Trier to Orchards (Washington) | 5,172.50 mi (8,324.34 km) |
| Trier to Orcutt (California) | 5,754.45 mi (9,260.90 km) |
| Trier to Oregon (Ohio) | 4,114.98 mi (6,622.42 km) |
| Trier to Oregon (Wisconsin) | 4,280.75 mi (6,889.21 km) |
| Trier to Oregon City (Oregon) | 5,194.57 mi (8,359.86 km) |
| Trier to Orem (Utah) | 5,178.07 mi (8,333.30 km) |
| Trier to Orinda (California) | 5,626.20 mi (9,054.49 km) |
| Trier to Orland Park (Illinois) | 4,286.22 mi (6,898.01 km) |
| Trier to Orlando (Florida) | 4,658.22 mi (7,496.68 km) |
| Trier to Ormond Beach (Florida) | 4,607.76 mi (7,415.48 km) |
| Trier to Oro Valley (Arizona) | 5,596.58 mi (9,006.83 km) |
| Trier to Oroville (California) | 5,513.12 mi (8,872.51 km) |
| Trier to Oshkosh (Wisconsin) | 4,198.75 mi (6,757.24 km) |
| Trier to Oskaloosa (Iowa) | 4,478.84 mi (7,207.99 km) |
