| Alcazar de San Juan to Odessa (Texas) | 5,295.37 mi (8,522.07 km) |
| Alcazar de San Juan to Ogden (Utah) | 5,293.73 mi (8,519.44 km) |
| Alcazar de San Juan to Oildale (California) | 5,846.80 mi (9,409.52 km) |
| Alcazar de San Juan to Ojus (Florida) | 4,438.31 mi (7,142.77 km) |
| Alcazar de San Juan to Okemos (Michigan) | 4,065.89 mi (6,543.43 km) |
| Alcazar de San Juan to Oklahoma City (Oklahoma) | 4,924.44 mi (7,925.12 km) |
| Alcazar de San Juan to Okmulgee (Oklahoma) | 4,849.43 mi (7,804.40 km) |
| Alcazar de San Juan to Olathe (Kansas) | 4,668.67 mi (7,513.50 km) |
| Alcazar de San Juan to Old Jamestown (Missouri) | 4,464.11 mi (7,184.29 km) |
| Alcazar de San Juan to Oldsmar (Florida) | 4,488.50 mi (7,223.54 km) |
| Alcazar de San Juan to Olean (New York) | 3,809.31 mi (6,130.49 km) |
| Alcazar de San Juan to Olive Branch (Mississippi) | 4,585.61 mi (7,379.82 km) |
| Alcazar de San Juan to Olivehurst (California) | 5,760.73 mi (9,271.00 km) |
| Alcazar de San Juan to Olney (Maryland) | 3,830.50 mi (6,164.60 km) |
| Alcazar de San Juan to Olympia (Washington) | 5,406.01 mi (8,700.12 km) |
