| Sitges to Odessa (Texas) | 5,453.49 mi (8,776.55 km) |
| Sitges to Ogden (Utah) | 5,395.34 mi (8,682.96 km) |
| Sitges to Oildale (California) | 5,948.94 mi (9,573.90 km) |
| Sitges to Ojus (Florida) | 4,662.40 mi (7,503.41 km) |
| Sitges to Okemos (Michigan) | 4,220.61 mi (6,792.42 km) |
| Sitges to Oklahoma City (Oklahoma) | 5,081.35 mi (8,177.64 km) |
| Sitges to Okmulgee (Oklahoma) | 5,009.15 mi (8,061.44 km) |
| Sitges to Olathe (Kansas) | 4,818.77 mi (7,755.06 km) |
| Sitges to Old Jamestown (Missouri) | 4,623.71 mi (7,441.15 km) |
| Sitges to Oldsmar (Florida) | 4,701.49 mi (7,566.31 km) |
| Sitges to Olean (New York) | 3,977.09 mi (6,400.50 km) |
| Sitges to Olive Branch (Mississippi) | 4,760.78 mi (7,661.73 km) |
| Sitges to Olivehurst (California) | 5,843.76 mi (9,404.63 km) |
| Sitges to Olney (Maryland) | 4,013.38 mi (6,458.91 km) |
| Sitges to Olympia (Washington) | 5,459.04 mi (8,785.48 km) |
