| Ontario to Badger (Alaska) | 2,462.39 mi (3,962.83 km) |
| Ontario to Bailey's Crossroads (Virginia) | 2,255.54 mi (3,629.94 km) |
| Ontario to Bainbridge (Georgia) | 1,929.32 mi (3,104.94 km) |
| Ontario to Bainbridge Island (Washington) | 974.24 mi (1,567.88 km) |
| Ontario to Baker (Louisiana) | 1,558.35 mi (2,507.91 km) |
| Ontario to Bakersfield (California) | 121.78 mi (195.99 km) |
| Ontario to Balch Springs (Texas) | 1,212.42 mi (1,951.20 km) |
| Ontario to Baldwin (New York) | 2,433.71 mi (3,916.67 km) |
| Ontario to Baldwin (Pennsylvania) | 2,100.53 mi (3,380.47 km) |
| Ontario to Baldwin Park (California) | 21.15 mi (34.04 km) |
| Ontario to Ballenger Creek (Maryland) | 2,237.57 mi (3,601.02 km) |
| Ontario to Ballwin (Missouri) | 1,532.93 mi (2,467.01 km) |
| Ontario to Baltimore (Maryland) | 2,280.89 mi (3,670.74 km) |
| Ontario to Bangor (Maine) | 2,666.41 mi (4,291.17 km) |
| Ontario to Banning (California) | 41.02 mi (66.02 km) |
