| Altus to Orangevale (California) | 1,242.75 mi (2,000.01 km) |
| Altus to Orchards (Washington) | 1,435.69 mi (2,310.51 km) |
| Altus to Orcutt (California) | 1,196.45 mi (1,925.49 km) |
| Altus to Oregon (Ohio) | 986.42 mi (1,587.48 km) |
| Altus to Oregon (Wisconsin) | 780.96 mi (1,256.83 km) |
| Altus to Oregon City (Oregon) | 1,428.89 mi (2,299.58 km) |
| Altus to Orem (Utah) | 782.32 mi (1,259.03 km) |
| Altus to Orinda (California) | 1,290.12 mi (2,076.25 km) |
| Altus to Orland Park (Illinois) | 784.64 mi (1,262.76 km) |
| Altus to Orlando (Florida) | 1,138.61 mi (1,832.42 km) |
| Altus to Ormond Beach (Florida) | 1,127.36 mi (1,814.31 km) |
| Altus to Oro Valley (Arizona) | 689.19 mi (1,109.15 km) |
| Altus to Oroville (California) | 1,268.03 mi (2,040.70 km) |
| Altus to Oshkosh (Wisconsin) | 863.61 mi (1,389.84 km) |
| Altus to Oskaloosa (Iowa) | 584.41 mi (940.52 km) |
