| Sitges to Orangevale (California) | 5,853.31 mi (9,419.99 km) |
| Sitges to Orchards (Washington) | 5,520.63 mi (8,884.59 km) |
| Sitges to Orcutt (California) | 6,029.09 mi (9,702.89 km) |
| Sitges to Oregon (Ohio) | 4,215.04 mi (6,783.46 km) |
| Sitges to Oregon (Wisconsin) | 4,426.11 mi (7,123.14 km) |
| Sitges to Oregon City (Oregon) | 5,541.14 mi (8,917.60 km) |
| Sitges to Orem (Utah) | 5,431.11 mi (8,740.52 km) |
| Sitges to Orinda (California) | 5,929.35 mi (9,542.37 km) |
| Sitges to Orland Park (Illinois) | 4,410.57 mi (7,098.13 km) |
| Sitges to Orlando (Florida) | 4,618.52 mi (7,432.79 km) |
| Sitges to Ormond Beach (Florida) | 4,573.95 mi (7,361.06 km) |
| Sitges to Oro Valley (Arizona) | 5,791.69 mi (9,320.82 km) |
| Sitges to Oroville (California) | 5,821.46 mi (9,368.73 km) |
| Sitges to Oshkosh (Wisconsin) | 4,350.14 mi (7,000.88 km) |
| Sitges to Oskaloosa (Iowa) | 4,627.34 mi (7,446.99 km) |
