| Casas Adobes to Odessa (Texas) | 508.06 mi (817.64 km) |
| Casas Adobes to Ogden (Utah) | 616.20 mi (991.68 km) |
| Casas Adobes to Oildale (California) | 506.79 mi (815.60 km) |
| Casas Adobes to Ojus (Florida) | 1,906.06 mi (3,067.51 km) |
| Casas Adobes to Okemos (Michigan) | 1,614.50 mi (2,598.29 km) |
| Casas Adobes to Oklahoma City (Oklahoma) | 802.83 mi (1,292.02 km) |
| Casas Adobes to Okmulgee (Oklahoma) | 887.90 mi (1,428.93 km) |
| Casas Adobes to Olathe (Kansas) | 1,013.53 mi (1,631.12 km) |
| Casas Adobes to Old Jamestown (Missouri) | 1,244.57 mi (2,002.94 km) |
| Casas Adobes to Oldsmar (Florida) | 1,713.10 mi (2,756.97 km) |
| Casas Adobes to Olean (New York) | 1,900.85 mi (3,059.12 km) |
| Casas Adobes to Olive Branch (Mississippi) | 1,228.27 mi (1,976.72 km) |
| Casas Adobes to Olivehurst (California) | 751.88 mi (1,210.03 km) |
| Casas Adobes to Olney (Maryland) | 1,948.27 mi (3,135.43 km) |
| Casas Adobes to Olympia (Washington) | 1,193.07 mi (1,920.07 km) |
