| Atascadero to Oakley (California) | 182.22 mi (293.25 km) |
| Atascadero to Oakton (Virginia) | 2,377.24 mi (3,825.80 km) |
| Atascadero to Oakville (Missouri) | 1,681.17 mi (2,705.59 km) |
| Atascadero to Oatfield (Oregon) | 693.32 mi (1,115.79 km) |
| Atascadero to Ocala (Florida) | 2,276.77 mi (3,664.10 km) |
| Atascadero to Ocean Acres (New Jersey) | 2,528.55 mi (4,069.30 km) |
| Atascadero to Ocean City (New Jersey) | 2,516.54 mi (4,049.99 km) |
| Atascadero to Ocean Pines (Maryland) | 2,497.44 mi (4,019.25 km) |
| Atascadero to Ocean Pointe (Hawaii) | 2,453.03 mi (3,947.78 km) |
| Atascadero to Ocean Springs (Mississippi) | 1,874.12 mi (3,016.10 km) |
| Atascadero to Oceanside (California) | 247.87 mi (398.92 km) |
| Atascadero to Oceanside (New York) | 2,553.66 mi (4,109.72 km) |
| Atascadero to Ocoee (Florida) | 2,326.74 mi (3,744.52 km) |
| Atascadero to Oconomowoc (Wisconsin) | 1,787.52 mi (2,876.74 km) |
| Atascadero to Odenton (Maryland) | 2,407.81 mi (3,875.00 km) |
