| Ontario to Newport Beach (California) | 32.90 mi (52.95 km) |
| Ontario to Newport East (Rhode Island) | 2,550.41 mi (4,104.48 km) |
| Ontario to Newport News (Virginia) | 2,300.89 mi (3,702.92 km) |
| Ontario to Newton (Iowa) | 1,434.34 mi (2,308.35 km) |
| Ontario to Newton (Kansas) | 1,162.65 mi (1,871.11 km) |
| Ontario to Newton (Massachusetts) | 2,551.25 mi (4,105.84 km) |
| Ontario to Newton (North Carolina) | 2,053.66 mi (3,305.05 km) |
| Ontario to Niagara Falls (New York) | 2,155.51 mi (3,468.97 km) |
| Ontario to Niceville (Florida) | 1,827.49 mi (2,941.06 km) |
| Ontario to Nicholasville (Kentucky) | 1,856.91 mi (2,988.40 km) |
| Ontario to Niles (Illinois) | 1,702.71 mi (2,740.25 km) |
| Ontario to Niles (Michigan) | 1,780.32 mi (2,865.16 km) |
| Ontario to Niles (Ohio) | 2,060.19 mi (3,315.55 km) |
| Ontario to Nipomo (California) | 178.32 mi (286.97 km) |
| Ontario to Nixa (Missouri) | 1,378.58 mi (2,218.60 km) |
