| Dundalk to Bougival | 3,783.05 mi (6,088.23 km) |
| Dundalk to Bouguenais | 3,663.04 mi (5,895.10 km) |
| Dundalk to Boulogne-Billancourt | 3,788.10 mi (6,096.35 km) |
| Dundalk to Boulogne-sur-Mer | 3,715.33 mi (5,979.25 km) |
| Dundalk to Bourg-de-Peage | 4,014.86 mi (6,461.29 km) |
| Dundalk to Bourg-en-Bresse | 3,988.18 mi (6,418.36 km) |
| Dundalk to Bourg-la-Reine | 3,792.66 mi (6,103.69 km) |
| Dundalk to Bourg-les-Valence | 4,010.73 mi (6,454.65 km) |
| Dundalk to Bourges | 3,840.76 mi (6,181.10 km) |
| Dundalk to Bourgoin-Jallieu | 4,008.36 mi (6,450.83 km) |
| Dundalk to Bressuire | 3,721.23 mi (5,988.74 km) |
| Dundalk to Brest | 3,509.60 mi (5,648.16 km) |
| Dundalk to Bretigny-sur-Orge | 3,796.60 mi (6,110.03 km) |
| Dundalk to Breuillet | 3,792.06 mi (6,102.73 km) |
| Dundalk to Briancon | 4,088.78 mi (6,580.26 km) |
