| Donegal to Borsbeek | 575.20 mi (925.70 km) |
| Donegal to Boussu | 578.00 mi (930.20 km) |
| Donegal to Braine-l'Alleud | 589.52 mi (948.74 km) |
| Donegal to Braine-le-Chateau | 585.55 mi (942.35 km) |
| Donegal to Braine-le-Comte | 583.79 mi (939.52 km) |
| Donegal to Brasschaat | 572.30 mi (921.03 km) |
| Donegal to Brecht | 575.88 mi (926.79 km) |
| Donegal to Bredene | 517.75 mi (833.24 km) |
| Donegal to Bree | 619.15 mi (996.43 km) |
| Donegal to Bruges | 527.82 mi (849.45 km) |
| Donegal to Brussels | 582.71 mi (937.78 km) |
| Donegal to Buggenhout | 571.53 mi (919.79 km) |
| Donegal to Chapelle-lez-Herlaimont | 594.38 mi (956.56 km) |
| Donegal to Charleroi | 602.43 mi (969.51 km) |
| Donegal to Chatelet | 605.47 mi (974.42 km) |
