| Grefrath to Azcoitia | 693.41 mi (1,115.93 km) |
| Grefrath to Azpeitia | 692.02 mi (1,113.70 km) |
| Grefrath to Azuqueca de Henares | 874.11 mi (1,406.75 km) |
| Grefrath to Badajoz | 1,074.56 mi (1,729.33 km) |
| Grefrath to Badalona | 711.39 mi (1,144.87 km) |
| Grefrath to Baena | 1,081.25 mi (1,740.10 km) |
| Grefrath to Baeza | 1,038.79 mi (1,671.77 km) |
| Grefrath to Bailen | 1,039.31 mi (1,672.60 km) |
| Grefrath to Balaguer | 709.53 mi (1,141.88 km) |
| Grefrath to Banolas | 658.73 mi (1,060.13 km) |
| Grefrath to Baranain | 698.98 mi (1,124.91 km) |
| Grefrath to Barbadanes | 915.51 mi (1,473.38 km) |
| Grefrath to Barbastro | 706.25 mi (1,136.60 km) |
| Grefrath to Barcelona | 715.52 mi (1,151.52 km) |
| Grefrath to Bargas | 930.98 mi (1,498.27 km) |
