| Herndon to Ayamonte | 3,709.48 mi (5,969.83 km) |
| Herndon to Azcoitia | 3,786.65 mi (6,094.02 km) |
| Herndon to Azpeitia | 3,788.67 mi (6,097.28 km) |
| Herndon to Azuqueca de Henares | 3,814.46 mi (6,138.77 km) |
| Herndon to Badajoz | 3,682.41 mi (5,926.27 km) |
| Herndon to Badalona | 4,047.96 mi (6,514.57 km) |
| Herndon to Baena | 3,850.01 mi (6,196.00 km) |
| Herndon to Baeza | 3,880.71 mi (6,245.40 km) |
| Herndon to Bailen | 3,863.01 mi (6,216.91 km) |
| Herndon to Balaguer | 3,970.85 mi (6,390.46 km) |
| Herndon to Banolas | 4,051.60 mi (6,520.42 km) |
| Herndon to Baranain | 3,826.93 mi (6,158.85 km) |
| Herndon to Barbadanes | 3,546.54 mi (5,707.61 km) |
| Herndon to Barbastro | 3,932.02 mi (6,327.97 km) |
| Herndon to Barcelona | 4,046.90 mi (6,512.86 km) |
