| Grefrath to Bagnolet | 243.41 mi (391.72 km) |
| Grefrath to Bagnols-sur-Ceze | 502.03 mi (807.94 km) |
| Grefrath to Bailleul | 162.06 mi (260.81 km) |
| Grefrath to Balma | 579.42 mi (932.49 km) |
| Grefrath to Bar-le-Duc | 184.68 mi (297.21 km) |
| Grefrath to Barentin | 267.35 mi (430.26 km) |
| Grefrath to Basse-Goulaine | 452.24 mi (727.81 km) |
| Grefrath to Bastia | 614.22 mi (988.49 km) |
| Grefrath to Bayeux | 341.65 mi (549.83 km) |
| Grefrath to Bayonne | 653.11 mi (1,051.08 km) |
| Grefrath to Beaucaire | 526.15 mi (846.76 km) |
| Grefrath to Beauchamp | 243.83 mi (392.40 km) |
| Grefrath to Beaumont | 413.53 mi (665.51 km) |
| Grefrath to Beaumont-sur-Oise | 234.62 mi (377.59 km) |
| Grefrath to Beaune | 305.48 mi (491.63 km) |
