| Cary to Odessa (Texas) | 1,373.36 mi (2,210.21 km) |
| Cary to Ogden (Utah) | 1,819.81 mi (2,928.70 km) |
| Cary to Oildale (California) | 2,242.81 mi (3,609.46 km) |
| Cary to Ojus (Florida) | 683.50 mi (1,099.99 km) |
| Cary to Okemos (Michigan) | 564.00 mi (907.68 km) |
| Cary to Oklahoma City (Oklahoma) | 1,048.54 mi (1,687.46 km) |
| Cary to Okmulgee (Oklahoma) | 963.23 mi (1,550.17 km) |
| Cary to Olathe (Kansas) | 903.47 mi (1,453.99 km) |
| Cary to Old Jamestown (Missouri) | 663.97 mi (1,068.56 km) |
| Cary to Oldsmar (Florida) | 579.80 mi (933.10 km) |
| Cary to Olean (New York) | 435.78 mi (701.33 km) |
| Cary to Olive Branch (Mississippi) | 623.53 mi (1,003.48 km) |
| Cary to Olivehurst (California) | 2,334.32 mi (3,756.72 km) |
| Cary to Olney (Maryland) | 251.45 mi (404.66 km) |
| Cary to Olympia (Washington) | 2,377.05 mi (3,825.49 km) |
