| Cary to Oakley (California) | 2,353.36 mi (3,787.37 km) |
| Cary to Oakton (Virginia) | 230.28 mi (370.59 km) |
| Cary to Oakville (Missouri) | 659.35 mi (1,061.11 km) |
| Cary to Oatfield (Oregon) | 2,359.15 mi (3,796.68 km) |
| Cary to Ocala (Florida) | 495.79 mi (797.90 km) |
| Cary to Ocean Acres (New Jersey) | 369.18 mi (594.13 km) |
| Cary to Ocean City (New Jersey) | 333.73 mi (537.09 km) |
| Cary to Ocean Pines (Maryland) | 270.68 mi (435.61 km) |
| Cary to Ocean Pointe (Hawaii) | 4,785.84 mi (7,702.06 km) |
| Cary to Ocean Springs (Mississippi) | 685.47 mi (1,103.16 km) |
| Cary to Oceanside (California) | 2,184.63 mi (3,515.82 km) |
| Cary to Oceanside (New York) | 437.45 mi (704.01 km) |
| Cary to Ocoee (Florida) | 522.25 mi (840.48 km) |
| Cary to Oconomowoc (Wisconsin) | 721.67 mi (1,161.42 km) |
| Cary to Odenton (Maryland) | 255.12 mi (410.57 km) |
