| Altus to Oakley (California) | 1,264.25 mi (2,034.61 km) |
| Altus to Oakton (Virginia) | 1,249.10 mi (2,010.23 km) |
| Altus to Oakville (Missouri) | 563.00 mi (906.06 km) |
| Altus to Oatfield (Oregon) | 1,430.88 mi (2,302.78 km) |
| Altus to Ocala (Florida) | 1,073.18 mi (1,727.11 km) |
| Altus to Ocean Acres (New Jersey) | 1,416.29 mi (2,279.31 km) |
| Altus to Ocean City (New Jersey) | 1,395.85 mi (2,246.40 km) |
| Altus to Ocean Pines (Maryland) | 1,361.77 mi (2,191.56 km) |
| Altus to Ocean Pointe (Hawaii) | 3,648.36 mi (5,871.47 km) |
| Altus to Ocean Springs (Mississippi) | 678.97 mi (1,092.70 km) |
| Altus to Oceanside (California) | 1,035.25 mi (1,666.07 km) |
| Altus to Oceanside (New York) | 1,457.85 mi (2,346.18 km) |
| Altus to Ocoee (Florida) | 1,124.80 mi (1,810.19 km) |
| Altus to Oconomowoc (Wisconsin) | 822.36 mi (1,323.46 km) |
| Altus to Odenton (Maryland) | 1,282.95 mi (2,064.71 km) |
