| Northdale to Orangevale (California) | 2,329.15 mi (3,748.40 km) |
| Northdale to Orchards (Washington) | 2,486.86 mi (4,002.21 km) |
| Northdale to Orcutt (California) | 2,267.25 mi (3,648.79 km) |
| Northdale to Oregon (Ohio) | 937.37 mi (1,508.55 km) |
| Northdale to Oregon (Wisconsin) | 1,093.26 mi (1,759.44 km) |
| Northdale to Oregon City (Oregon) | 2,483.55 mi (3,996.89 km) |
| Northdale to Orem (Utah) | 1,855.91 mi (2,986.79 km) |
| Northdale to Orinda (California) | 2,375.49 mi (3,822.99 km) |
| Northdale to Orland Park (Illinois) | 980.16 mi (1,577.41 km) |
| Northdale to Orlando (Florida) | 76.77 mi (123.56 km) |
| Northdale to Ormond Beach (Florida) | 119.36 mi (192.10 km) |
| Northdale to Oro Valley (Arizona) | 1,718.57 mi (2,765.77 km) |
| Northdale to Oroville (California) | 2,354.16 mi (3,788.66 km) |
| Northdale to Oshkosh (Wisconsin) | 1,149.41 mi (1,849.80 km) |
| Northdale to Oskaloosa (Iowa) | 1,075.33 mi (1,730.58 km) |
