| North Druid Hills to Oakley (California) | 2,097.02 mi (3,374.82 km) |
| North Druid Hills to Oakton (Virginia) | 524.55 mi (844.18 km) |
| North Druid Hills to Oakville (Missouri) | 462.62 mi (744.51 km) |
| North Druid Hills to Oatfield (Oregon) | 2,164.05 mi (3,482.70 km) |
| North Druid Hills to Ocala (Florida) | 345.24 mi (555.61 km) |
| North Druid Hills to Ocean Acres (New Jersey) | 689.59 mi (1,109.79 km) |
| North Druid Hills to Ocean City (New Jersey) | 657.47 mi (1,058.10 km) |
| North Druid Hills to Ocean Pines (Maryland) | 601.20 mi (967.54 km) |
| North Druid Hills to Ocean Pointe (Hawaii) | 4,504.73 mi (7,249.66 km) |
| North Druid Hills to Ocean Springs (Mississippi) | 351.59 mi (565.83 km) |
| North Druid Hills to Oceanside (California) | 1,892.11 mi (3,045.06 km) |
| North Druid Hills to Oceanside (New York) | 752.34 mi (1,210.77 km) |
| North Druid Hills to Ocoee (Florida) | 397.76 mi (640.14 km) |
| North Druid Hills to Oconomowoc (Wisconsin) | 679.54 mi (1,093.61 km) |
| North Druid Hills to Odenton (Maryland) | 557.64 mi (897.44 km) |
