| Manassas to Beltsville (Maryland) | 36.35 mi (58.50 km) |
| Manassas to Belvedere Park (Georgia) | 511.43 mi (823.07 km) |
| Manassas to Belvidere (Illinois) | 644.50 mi (1,037.22 km) |
| Manassas to Bemidji (Minnesota) | 1,061.07 mi (1,707.62 km) |
| Manassas to Benbrook (Texas) | 1,193.66 mi (1,921.02 km) |
| Manassas to Bend (Oregon) | 2,273.40 mi (3,658.69 km) |
| Manassas to Benicia (California) | 2,394.32 mi (3,853.29 km) |
| Manassas to Bensenville (Illinois) | 593.25 mi (954.74 km) |
| Manassas to Bensville (Maryland) | 27.21 mi (43.79 km) |
| Manassas to Benton (Arkansas) | 883.18 mi (1,421.34 km) |
| Manassas to Bentonville (Arkansas) | 930.75 mi (1,497.89 km) |
| Manassas to Berea (Kentucky) | 378.16 mi (608.59 km) |
| Manassas to Berea (Ohio) | 293.99 mi (473.13 km) |
| Manassas to Berea (South Carolina) | 383.72 mi (617.53 km) |
| Manassas to Bergenfield (New Jersey) | 238.29 mi (383.48 km) |
