| North Druid Hills to Odessa (Texas) | 1,053.10 mi (1,694.81 km) |
| North Druid Hills to Ogden (Utah) | 1,590.93 mi (2,560.35 km) |
| North Druid Hills to Oildale (California) | 1,966.25 mi (3,164.37 km) |
| North Druid Hills to Ojus (Florida) | 597.61 mi (961.76 km) |
| North Druid Hills to Okemos (Michigan) | 614.06 mi (988.24 km) |
| North Druid Hills to Oklahoma City (Oklahoma) | 757.68 mi (1,219.37 km) |
| North Druid Hills to Okmulgee (Oklahoma) | 674.49 mi (1,085.49 km) |
| North Druid Hills to Olathe (Kansas) | 680.15 mi (1,094.59 km) |
| North Druid Hills to Old Jamestown (Missouri) | 479.75 mi (772.09 km) |
| North Druid Hills to Oldsmar (Florida) | 410.40 mi (660.48 km) |
| North Druid Hills to Olean (New York) | 654.63 mi (1,053.52 km) |
| North Druid Hills to Olive Branch (Mississippi) | 324.51 mi (522.26 km) |
| North Druid Hills to Olivehurst (California) | 2,086.02 mi (3,357.12 km) |
| North Druid Hills to Olney (Maryland) | 545.46 mi (877.83 km) |
| North Druid Hills to Olympia (Washington) | 2,196.57 mi (3,535.03 km) |
