| Donegal to Brie-Comte-Robert | 615.80 mi (991.03 km) |
| Donegal to Brignais | 839.55 mi (1,351.12 km) |
| Donegal to Brignoles | 1,004.18 mi (1,616.07 km) |
| Donegal to Brive-la-Gaillarde | 782.36 mi (1,259.09 km) |
| Donegal to Bron | 840.72 mi (1,353.01 km) |
| Donegal to Bruay-sur-l'Escaut | 570.15 mi (917.57 km) |
| Donegal to Bruges | 752.49 mi (1,211.01 km) |
| Donegal to Brumath | 788.83 mi (1,269.49 km) |
| Donegal to Brunoy | 612.15 mi (985.17 km) |
| Donegal to Bruz | 533.60 mi (858.75 km) |
| Donegal to Bry-sur-Marne | 605.62 mi (974.64 km) |
| Donegal to Bully-les-Mines | 539.40 mi (868.09 km) |
| Donegal to Bures-sur-Yvette | 601.47 mi (967.97 km) |
| Donegal to Bussy-Saint-Georges | 611.19 mi (983.62 km) |
| Donegal to Buxerolles | 667.80 mi (1,074.71 km) |
