| North Highlands to Odessa (Texas) | 1,168.39 mi (1,880.34 km) |
| North Highlands to Ogden (Utah) | 528.16 mi (849.99 km) |
| North Highlands to Oildale (California) | 258.52 mi (416.06 km) |
| North Highlands to Ojus (Florida) | 2,537.00 mi (4,082.91 km) |
| North Highlands to Okemos (Michigan) | 1,940.54 mi (3,123.01 km) |
| North Highlands to Oklahoma City (Oklahoma) | 1,329.91 mi (2,140.29 km) |
| North Highlands to Okmulgee (Oklahoma) | 1,408.32 mi (2,266.47 km) |
| North Highlands to Olathe (Kansas) | 1,425.20 mi (2,293.64 km) |
| North Highlands to Old Jamestown (Missouri) | 1,666.87 mi (2,682.56 km) |
| North Highlands to Oldsmar (Florida) | 2,331.25 mi (3,751.78 km) |
| North Highlands to Olean (New York) | 2,248.61 mi (3,618.79 km) |
| North Highlands to Olive Branch (Mississippi) | 1,753.74 mi (2,822.37 km) |
| North Highlands to Olivehurst (California) | 29.90 mi (48.12 km) |
| North Highlands to Olney (Maryland) | 2,357.81 mi (3,794.53 km) |
| North Highlands to Olympia (Washington) | 583.43 mi (938.94 km) |
