| Ontario to Bixby (Oklahoma) | 1,234.38 mi (1,986.54 km) |
| Ontario to Black Forest (Colorado) | 796.17 mi (1,281.31 km) |
| Ontario to Blackfoot (Idaho) | 692.99 mi (1,115.26 km) |
| Ontario to Blackhawk (California) | 354.86 mi (571.09 km) |
| Ontario to Blacksburg (Virginia) | 2,086.00 mi (3,357.10 km) |
| Ontario to Blackwells Mills (New Jersey) | 2,382.55 mi (3,834.35 km) |
| Ontario to Blaine (Minnesota) | 1,500.56 mi (2,414.93 km) |
| Ontario to Bloomingdale (Florida) | 2,126.04 mi (3,421.52 km) |
| Ontario to Bloomingdale (Illinois) | 1,687.68 mi (2,716.05 km) |
| Ontario to Bloomington (California) | 11.83 mi (19.04 km) |
| Ontario to Bloomington (Illinois) | 1,628.31 mi (2,620.51 km) |
| Ontario to Bloomington (Indiana) | 1,750.98 mi (2,817.92 km) |
| Ontario to Bloomington (Minnesota) | 1,486.92 mi (2,392.97 km) |
| Ontario to Bloomsburg (Pennsylvania) | 2,283.87 mi (3,675.53 km) |
| Ontario to Blue Ash (Ohio) | 1,865.81 mi (3,002.73 km) |
