| Harpenden to Bailey's Crossroads (Virginia) | 3,655.25 mi (5,882.55 km) |
| Harpenden to Bainbridge (Georgia) | 4,338.89 mi (6,982.76 km) |
| Harpenden to Bainbridge Island (Washington) | 4,764.81 mi (7,668.22 km) |
| Harpenden to Baker (Louisiana) | 4,621.87 mi (7,438.18 km) |
| Harpenden to Bakersfield (California) | 5,369.39 mi (8,641.20 km) |
| Harpenden to Balch Springs (Texas) | 4,725.90 mi (7,605.61 km) |
| Harpenden to Baldwin (New York) | 3,431.84 mi (5,523.01 km) |
| Harpenden to Baldwin (Pennsylvania) | 3,700.39 mi (5,955.20 km) |
| Harpenden to Baldwin Park (California) | 5,408.59 mi (8,704.29 km) |
| Harpenden to Ballenger Creek (Maryland) | 3,642.89 mi (5,862.66 km) |
| Harpenden to Ballwin (Missouri) | 4,197.16 mi (6,754.68 km) |
| Harpenden to Baltimore (Maryland) | 3,613.64 mi (5,815.59 km) |
| Harpenden to Bangor (Maine) | 3,063.07 mi (4,929.53 km) |
| Harpenden to Banning (California) | 5,381.85 mi (8,661.25 km) |
| Harpenden to Baraboo (Wisconsin) | 3,933.84 mi (6,330.90 km) |
