| Addison to Oakley (California) | 1,792.85 mi (2,885.31 km) |
| Addison to Oakton (Virginia) | 600.71 mi (966.75 km) |
| Addison to Oakville (Missouri) | 269.81 mi (434.21 km) |
| Addison to Oatfield (Oregon) | 1,731.49 mi (2,786.57 km) |
| Addison to Ocala (Florida) | 940.05 mi (1,512.87 km) |
| Addison to Ocean Acres (New Jersey) | 732.51 mi (1,178.87 km) |
| Addison to Ocean City (New Jersey) | 726.13 mi (1,168.60 km) |
| Addison to Ocean Pines (Maryland) | 721.04 mi (1,160.41 km) |
| Addison to Ocean Pointe (Hawaii) | 4,237.76 mi (6,820.02 km) |
| Addison to Ocean Springs (Mississippi) | 797.34 mi (1,283.19 km) |
| Addison to Oceanside (California) | 1,703.25 mi (2,741.11 km) |
| Addison to Oceanside (New York) | 750.70 mi (1,208.13 km) |
| Addison to Ocoee (Florida) | 991.43 mi (1,595.56 km) |
| Addison to Oconomowoc (Wisconsin) | 84.44 mi (135.89 km) |
| Addison to Odenton (Maryland) | 626.00 mi (1,007.44 km) |
