| Atascadero to Odessa (Texas) | 1,081.74 mi (1,740.89 km) |
| Atascadero to Ogden (Utah) | 616.41 mi (992.02 km) |
| Atascadero to Oildale (California) | 93.23 mi (150.04 km) |
| Atascadero to Ojus (Florida) | 2,476.81 mi (3,986.03 km) |
| Atascadero to Okemos (Michigan) | 1,991.53 mi (3,205.05 km) |
| Atascadero to Oklahoma City (Oklahoma) | 1,300.81 mi (2,093.46 km) |
| Atascadero to Okmulgee (Oklahoma) | 1,383.72 mi (2,226.89 km) |
| Atascadero to Olathe (Kansas) | 1,438.12 mi (2,314.44 km) |
| Atascadero to Old Jamestown (Missouri) | 1,682.11 mi (2,707.09 km) |
| Atascadero to Oldsmar (Florida) | 2,276.73 mi (3,664.03 km) |
| Atascadero to Olean (New York) | 2,296.91 mi (3,696.52 km) |
| Atascadero to Olive Branch (Mississippi) | 1,733.91 mi (2,790.47 km) |
| Atascadero to Olivehurst (California) | 253.08 mi (407.29 km) |
| Atascadero to Olney (Maryland) | 2,386.98 mi (3,841.48 km) |
| Atascadero to Olympia (Washington) | 806.76 mi (1,298.36 km) |
