| Grefrath to Blansko | 473.77 mi (762.46 km) |
| Grefrath to Bohumin | 535.34 mi (861.55 km) |
| Grefrath to Boskovice | 471.52 mi (758.84 km) |
| Grefrath to Brandys nad Labem-Stara Boleslav | 372.20 mi (599.00 km) |
| Grefrath to Breclav | 499.89 mi (804.50 km) |
| Grefrath to Brevnov | 361.10 mi (581.13 km) |
| Grefrath to Brno | 476.59 mi (767.00 km) |
| Grefrath to Bruntal | 495.51 mi (797.45 km) |
| Grefrath to Bystrc | 472.23 mi (759.98 km) |
| Grefrath to Caslav | 408.61 mi (657.59 km) |
| Grefrath to Celakovice | 376.27 mi (605.54 km) |
| Grefrath to Ceska Lipa | 358.97 mi (577.70 km) |
| Grefrath to Ceska Trebova | 453.60 mi (729.99 km) |
| Grefrath to Ceske Budejovice | 395.04 mi (635.75 km) |
| Grefrath to Cesky Krumlov | 394.04 mi (634.14 km) |
