| Donegal to Bagnolet | 600.92 mi (967.08 km) |
| Donegal to Bagnols-sur-Ceze | 920.63 mi (1,481.61 km) |
| Donegal to Bailleul | 527.76 mi (849.34 km) |
| Donegal to Balma | 876.21 mi (1,410.13 km) |
| Donegal to Bar-le-Duc | 696.94 mi (1,121.62 km) |
| Donegal to Barentin | 521.39 mi (839.10 km) |
| Donegal to Basse-Goulaine | 589.20 mi (948.22 km) |
| Donegal to Bastia | 1,144.42 mi (1,841.76 km) |
| Donegal to Bayeux | 486.65 mi (783.18 km) |
| Donegal to Bayonne | 826.78 mi (1,330.58 km) |
| Donegal to Beaucaire | 941.80 mi (1,515.69 km) |
| Donegal to Beauchamp | 586.53 mi (943.93 km) |
| Donegal to Beaumont | 787.58 mi (1,267.49 km) |
| Donegal to Beaumont-sur-Oise | 583.32 mi (938.76 km) |
| Donegal to Beaune | 770.50 mi (1,240.00 km) |
