| Ontario to Burley (Idaho) | 622.37 mi (1,001.61 km) |
| Ontario to Burlingame (California) | 362.10 mi (582.74 km) |
| Ontario to Burlington (Iowa) | 1,519.65 mi (2,445.64 km) |
| Ontario to Burlington (Kentucky) | 1,847.50 mi (2,973.26 km) |
| Ontario to Burlington (North Carolina) | 2,147.82 mi (3,456.59 km) |
| Ontario to Burlington (Vermont) | 2,448.09 mi (3,939.82 km) |
| Ontario to Burlington (Wisconsin) | 1,687.20 mi (2,715.29 km) |
| Ontario to Burnsville (Minnesota) | 1,486.88 mi (2,392.91 km) |
| Ontario to Burr Ridge (Illinois) | 1,694.16 mi (2,726.49 km) |
| Ontario to Burton (Michigan) | 1,923.57 mi (3,095.68 km) |
| Ontario to Burtonsville (Maryland) | 2,264.63 mi (3,644.58 km) |
| Ontario to Butler (Pennsylvania) | 2,104.37 mi (3,386.66 km) |
| Ontario to Butte (Montana) | 860.06 mi (1,384.13 km) |
| Ontario to Byram (Mississippi) | 1,581.54 mi (2,545.25 km) |
| Ontario to Cabot (Arkansas) | 1,453.84 mi (2,339.73 km) |
