| Duffel to Azcoitia | 633.77 mi (1,019.96 km) |
| Duffel to Azpeitia | 632.54 mi (1,017.97 km) |
| Duffel to Azuqueca de Henares | 817.65 mi (1,315.88 km) |
| Duffel to Badajoz | 1,011.37 mi (1,627.64 km) |
| Duffel to Badalona | 676.66 mi (1,088.98 km) |
| Duffel to Baena | 1,026.99 mi (1,652.79 km) |
| Duffel to Baeza | 986.48 mi (1,587.58 km) |
| Duffel to Bailen | 985.91 mi (1,586.67 km) |
| Duffel to Balaguer | 666.83 mi (1,073.16 km) |
| Duffel to Banolas | 625.99 mi (1,007.43 km) |
| Duffel to Baranain | 642.82 mi (1,034.53 km) |
| Duffel to Barbadanes | 844.09 mi (1,358.44 km) |
| Duffel to Barbastro | 659.76 mi (1,061.78 km) |
| Duffel to Barcelona | 680.57 mi (1,095.26 km) |
| Duffel to Bargas | 873.47 mi (1,405.71 km) |
