| Ontario to Wichita (Kansas) | 1,159.76 mi (1,866.46 km) |
| Ontario to Wichita Falls (Texas) | 1,091.56 mi (1,756.69 km) |
| Ontario to Wickliffe (Ohio) | 2,024.33 mi (3,257.84 km) |
| Ontario to Wildomar (California) | 35.35 mi (56.89 km) |
| Ontario to Wildwood (Florida) | 2,119.71 mi (3,411.34 km) |
| Ontario to Wildwood (Missouri) | 1,526.41 mi (2,456.51 km) |
| Ontario to Wilkes-Barre (Pennsylvania) | 2,313.65 mi (3,723.45 km) |
| Ontario to Wilkinsburg (Pennsylvania) | 2,105.44 mi (3,388.38 km) |
| Ontario to Williamsburg (Virginia) | 2,289.15 mi (3,684.03 km) |
| Ontario to Williamsport (Pennsylvania) | 2,253.35 mi (3,626.41 km) |
| Ontario to Williamstown (New Jersey) | 2,366.03 mi (3,807.75 km) |
| Ontario to Willimantic (Connecticut) | 2,501.96 mi (4,026.52 km) |
| Ontario to Williston (North Dakota) | 1,213.95 mi (1,953.66 km) |
| Ontario to Willmar (Minnesota) | 1,416.65 mi (2,279.89 km) |
| Ontario to Willoughby (Ohio) | 2,027.60 mi (3,263.10 km) |
