| Trapani to Orangevale (California) | 6,377.36 mi (10,263.37 km) |
| Trapani to Orchards (Washington) | 6,015.39 mi (9,680.83 km) |
| Trapani to Orcutt (California) | 6,568.00 mi (10,570.17 km) |
| Trapani to Oregon (Ohio) | 4,809.86 mi (7,740.72 km) |
| Trapani to Oregon (Wisconsin) | 5,010.28 mi (8,063.27 km) |
| Trapani to Oregon City (Oregon) | 6,036.98 mi (9,715.58 km) |
| Trapani to Orem (Utah) | 5,978.81 mi (9,621.97 km) |
| Trapani to Orinda (California) | 6,452.74 mi (10,384.69 km) |
| Trapani to Orland Park (Illinois) | 5,000.28 mi (8,047.17 km) |
| Trapani to Orlando (Florida) | 5,229.76 mi (8,416.48 km) |
| Trapani to Ormond Beach (Florida) | 5,185.10 mi (8,344.62 km) |
| Trapani to Oro Valley (Arizona) | 6,363.98 mi (10,241.84 km) |
| Trapani to Oroville (California) | 6,341.62 mi (10,205.86 km) |
| Trapani to Oshkosh (Wisconsin) | 4,932.35 mi (7,937.84 km) |
| Trapani to Oskaloosa (Iowa) | 5,211.23 mi (8,386.66 km) |
