| Northport to Orangevale (California) | 1,905.95 mi (3,067.33 km) |
| Northport to Orchards (Washington) | 2,030.48 mi (3,267.75 km) |
| Northport to Orcutt (California) | 1,873.64 mi (3,015.33 km) |
| Northport to Oregon (Ohio) | 623.16 mi (1,002.87 km) |
| Northport to Oregon (Wisconsin) | 674.91 mi (1,086.16 km) |
| Northport to Oregon City (Oregon) | 2,028.29 mi (3,264.22 km) |
| Northport to Orem (Utah) | 1,414.17 mi (2,275.89 km) |
| Northport to Orinda (California) | 1,958.08 mi (3,151.22 km) |
| Northport to Orland Park (Illinois) | 577.03 mi (928.64 km) |
| Northport to Orlando (Florida) | 496.86 mi (799.61 km) |
| Northport to Ormond Beach (Florida) | 471.09 mi (758.15 km) |
| Northport to Oro Valley (Arizona) | 1,355.50 mi (2,181.47 km) |
| Northport to Oroville (California) | 1,925.82 mi (3,099.31 km) |
| Northport to Oshkosh (Wisconsin) | 745.52 mi (1,199.80 km) |
| Northport to Oskaloosa (Iowa) | 620.12 mi (997.99 km) |
