| North Highlands to Oakley (California) | 50.04 mi (80.53 km) |
| North Highlands to Oakton (Virginia) | 2,350.04 mi (3,782.03 km) |
| North Highlands to Oakville (Missouri) | 1,669.65 mi (2,687.05 km) |
| North Highlands to Oatfield (Oregon) | 469.96 mi (756.32 km) |
| North Highlands to Ocala (Florida) | 2,322.89 mi (3,738.32 km) |
| North Highlands to Ocean Acres (New Jersey) | 2,492.74 mi (4,011.68 km) |
| North Highlands to Ocean City (New Jersey) | 2,484.09 mi (3,997.76 km) |
| North Highlands to Ocean Pines (Maryland) | 2,471.25 mi (3,977.09 km) |
| North Highlands to Ocean Pointe (Hawaii) | 2,476.57 mi (3,985.65 km) |
| North Highlands to Ocean Springs (Mississippi) | 1,928.91 mi (3,104.28 km) |
| North Highlands to Oceanside (California) | 439.52 mi (707.34 km) |
| North Highlands to Oceanside (New York) | 2,511.62 mi (4,042.07 km) |
| North Highlands to Ocoee (Florida) | 2,375.06 mi (3,822.29 km) |
| North Highlands to Oconomowoc (Wisconsin) | 1,732.93 mi (2,788.89 km) |
| North Highlands to Odenton (Maryland) | 2,378.80 mi (3,828.31 km) |
