| Fort Washington to Blue Island (Illinois) | 597.97 mi (962.35 km) |
| Fort Washington to Blue Springs (Missouri) | 927.53 mi (1,492.72 km) |
| Fort Washington to Bluffdale (Utah) | 1,851.28 mi (2,979.35 km) |
| Fort Washington to Bluffton (Indiana) | 455.32 mi (732.76 km) |
| Fort Washington to Bluffton (South Carolina) | 501.59 mi (807.23 km) |
| Fort Washington to Blythe (California) | 2,112.14 mi (3,399.16 km) |
| Fort Washington to Blytheville (Arkansas) | 733.85 mi (1,181.01 km) |
| Fort Washington to Boca Raton (Florida) | 872.63 mi (1,404.36 km) |
| Fort Washington to Boerne (Texas) | 1,381.19 mi (2,222.81 km) |
| Fort Washington to Bogalusa (Louisiana) | 911.98 mi (1,467.69 km) |
| Fort Washington to Boiling Springs (South Carolina) | 374.61 mi (602.88 km) |
| Fort Washington to Boise (Idaho) | 2,048.22 mi (3,296.28 km) |
| Fort Washington to Bolingbrook (Illinois) | 619.48 mi (996.96 km) |
| Fort Washington to Bolivar (Missouri) | 893.62 mi (1,438.14 km) |
| Fort Washington to Bon Air (Virginia) | 89.39 mi (143.86 km) |
