| Ontario to Washington (Indiana) | 1,715.98 mi (2,761.60 km) |
| Ontario to Washington (Missouri) | 1,507.65 mi (2,426.33 km) |
| Ontario to Washington (Pennsylvania) | 2,085.85 mi (3,356.84 km) |
| Ontario to Washington (Utah) | 314.85 mi (506.70 km) |
| Ontario to Washington Court House (Ohio) | 1,916.99 mi (3,085.10 km) |
| Ontario to Washougal (Washington) | 835.87 mi (1,345.20 km) |
| Ontario to Watauga (Texas) | 1,174.20 mi (1,889.70 km) |
| Ontario to Waterbury (Connecticut) | 2,459.97 mi (3,958.94 km) |
| Ontario to Waterloo (Illinois) | 1,553.40 mi (2,499.96 km) |
| Ontario to Waterloo (Iowa) | 1,482.04 mi (2,385.11 km) |
| Ontario to Watertown (New York) | 2,314.27 mi (3,724.46 km) |
| Ontario to Watertown (South Dakota) | 1,318.34 mi (2,121.67 km) |
| Ontario to Watertown (Wisconsin) | 1,671.79 mi (2,690.49 km) |
| Ontario to Watertown Town (Massachusetts) | 2,552.71 mi (4,108.19 km) |
| Ontario to Waterville (Maine) | 2,623.94 mi (4,222.83 km) |
