| Ontario to Watervliet (New York) | 2,423.30 mi (3,899.93 km) |
| Ontario to Watsonville (California) | 307.40 mi (494.71 km) |
| Ontario to Wauconda (Illinois) | 1,689.05 mi (2,718.26 km) |
| Ontario to Waukee (Iowa) | 1,390.29 mi (2,237.46 km) |
| Ontario to Waukegan (Illinois) | 1,703.47 mi (2,741.48 km) |
| Ontario to Waukesha (Wisconsin) | 1,692.98 mi (2,724.59 km) |
| Ontario to Waunakee (Wisconsin) | 1,636.52 mi (2,633.72 km) |
| Ontario to Waupun (Wisconsin) | 1,678.17 mi (2,700.75 km) |
| Ontario to Wausau (Wisconsin) | 1,659.25 mi (2,670.31 km) |
| Ontario to Wauwatosa (Wisconsin) | 1,704.19 mi (2,742.62 km) |
| Ontario to Waverly (Iowa) | 1,480.43 mi (2,382.52 km) |
| Ontario to Waverly (Michigan) | 1,870.15 mi (3,009.71 km) |
| Ontario to Waxahachie (Texas) | 1,203.28 mi (1,936.50 km) |
| Ontario to Waxhaw (North Carolina) | 2,088.26 mi (3,360.73 km) |
| Ontario to Waycross (Georgia) | 2,050.38 mi (3,299.77 km) |
