| Northdale to Oakley (California) | 2,349.88 mi (3,781.76 km) |
| Northdale to Oakton (Virginia) | 803.15 mi (1,292.54 km) |
| Northdale to Oakville (Missouri) | 843.76 mi (1,357.89 km) |
| Northdale to Oatfield (Oregon) | 2,484.87 mi (3,999.02 km) |
| Northdale to Ocala (Florida) | 77.50 mi (124.72 km) |
| Northdale to Ocean Acres (New Jersey) | 931.69 mi (1,499.42 km) |
| Northdale to Ocean City (New Jersey) | 894.83 mi (1,440.09 km) |
| Northdale to Ocean Pines (Maryland) | 827.63 mi (1,331.95 km) |
| Northdale to Ocean Pointe (Hawaii) | 4,688.33 mi (7,545.13 km) |
| Northdale to Ocean Springs (Mississippi) | 409.41 mi (658.89 km) |
| Northdale to Oceanside (California) | 2,087.42 mi (3,359.38 km) |
| Northdale to Oceanside (New York) | 1,001.78 mi (1,612.21 km) |
| Northdale to Ocoee (Florida) | 68.69 mi (110.55 km) |
| Northdale to Oconomowoc (Wisconsin) | 1,088.11 mi (1,751.15 km) |
| Northdale to Odenton (Maryland) | 827.86 mi (1,332.31 km) |
