| Rathfarnham to Bougival | 476.50 mi (766.85 km) |
| Rathfarnham to Bouguenais | 470.25 mi (756.79 km) |
| Rathfarnham to Boulogne-Billancourt | 481.27 mi (774.53 km) |
| Rathfarnham to Boulogne-sur-Mer | 379.78 mi (611.20 km) |
| Rathfarnham to Bourg-de-Peage | 765.02 mi (1,231.18 km) |
| Rathfarnham to Bourg-en-Bresse | 708.61 mi (1,140.39 km) |
| Rathfarnham to Bourg-la-Reine | 486.36 mi (782.73 km) |
| Rathfarnham to Bourg-les-Valence | 765.38 mi (1,231.76 km) |
| Rathfarnham to Bourges | 575.25 mi (925.78 km) |
| Rathfarnham to Bourgoin-Jallieu | 742.32 mi (1,194.65 km) |
| Rathfarnham to Bressuire | 514.62 mi (828.20 km) |
| Rathfarnham to Brest | 348.06 mi (560.15 km) |
| Rathfarnham to Bretigny-sur-Orge | 494.09 mi (795.15 km) |
| Rathfarnham to Breuillet | 491.89 mi (791.63 km) |
| Rathfarnham to Briancon | 821.50 mi (1,322.08 km) |
