| Altus to Odessa (Texas) | 260.00 mi (418.43 km) |
| Altus to Ogden (Utah) | 824.60 mi (1,327.07 km) |
| Altus to Oildale (California) | 1,115.21 mi (1,794.75 km) |
| Altus to Ojus (Florida) | 1,287.41 mi (2,071.88 km) |
| Altus to Okemos (Michigan) | 974.68 mi (1,568.59 km) |
| Altus to Oklahoma City (Oklahoma) | 115.83 mi (186.41 km) |
| Altus to Okmulgee (Oklahoma) | 197.79 mi (318.31 km) |
| Altus to Olathe (Kansas) | 383.21 mi (616.72 km) |
| Altus to Old Jamestown (Missouri) | 576.62 mi (927.99 km) |
| Altus to Oldsmar (Florida) | 1,080.63 mi (1,739.11 km) |
| Altus to Olean (New York) | 1,237.42 mi (1,991.43 km) |
| Altus to Olive Branch (Mississippi) | 536.83 mi (863.95 km) |
| Altus to Olivehurst (California) | 1,263.79 mi (2,033.88 km) |
| Altus to Olney (Maryland) | 1,263.52 mi (2,033.45 km) |
| Altus to Olympia (Washington) | 1,491.26 mi (2,399.95 km) |
