| Tortosa to Orangevale (California) | 5,830.84 mi (9,383.83 km) |
| Tortosa to Orchards (Washington) | 5,504.62 mi (8,858.83 km) |
| Tortosa to Orcutt (California) | 6,003.08 mi (9,661.03 km) |
| Tortosa to Oregon (Ohio) | 4,173.19 mi (6,716.11 km) |
| Tortosa to Oregon (Wisconsin) | 4,388.35 mi (7,062.37 km) |
| Tortosa to Oregon City (Oregon) | 5,524.90 mi (8,891.46 km) |
| Tortosa to Orem (Utah) | 5,403.41 mi (8,695.95 km) |
| Tortosa to Orinda (California) | 5,906.97 mi (9,506.34 km) |
| Tortosa to Orland Park (Illinois) | 4,370.74 mi (7,034.03 km) |
| Tortosa to Orlando (Florida) | 4,563.97 mi (7,345.00 km) |
| Tortosa to Ormond Beach (Florida) | 4,519.91 mi (7,274.10 km) |
| Tortosa to Oro Valley (Arizona) | 5,757.03 mi (9,265.04 km) |
| Tortosa to Oroville (California) | 5,799.87 mi (9,333.99 km) |
| Tortosa to Oshkosh (Wisconsin) | 4,313.12 mi (6,941.30 km) |
| Tortosa to Oskaloosa (Iowa) | 4,589.57 mi (7,386.20 km) |
