| Middlesbrough to Ayamonte | 1,235.51 mi (1,988.36 km) |
| Middlesbrough to Azcoitia | 788.98 mi (1,269.74 km) |
| Middlesbrough to Azpeitia | 788.67 mi (1,269.24 km) |
| Middlesbrough to Azuqueca de Henares | 972.65 mi (1,565.34 km) |
| Middlesbrough to Badajoz | 1,117.14 mi (1,797.86 km) |
| Middlesbrough to Badalona | 921.88 mi (1,483.62 km) |
| Middlesbrough to Baena | 1,180.80 mi (1,900.31 km) |
| Middlesbrough to Baeza | 1,151.28 mi (1,852.81 km) |
| Middlesbrough to Bailen | 1,145.77 mi (1,843.94 km) |
| Middlesbrough to Balaguer | 888.34 mi (1,429.64 km) |
| Middlesbrough to Banolas | 879.75 mi (1,415.82 km) |
| Middlesbrough to Baranain | 813.92 mi (1,309.89 km) |
| Middlesbrough to Barbadanes | 900.66 mi (1,449.47 km) |
| Middlesbrough to Barbastro | 868.69 mi (1,398.01 km) |
| Middlesbrough to Barcelona | 924.91 mi (1,488.50 km) |
