| Pen-y-Bont ar Ogwr to Bougival | 311.81 mi (501.80 km) |
| Pen-y-Bont ar Ogwr to Bouguenais | 311.82 mi (501.83 km) |
| Pen-y-Bont ar Ogwr to Boulogne-Billancourt | 316.71 mi (509.70 km) |
| Pen-y-Bont ar Ogwr to Boulogne-sur-Mer | 231.55 mi (372.65 km) |
| Pen-y-Bont ar Ogwr to Bourg-de-Peage | 596.90 mi (960.62 km) |
| Pen-y-Bont ar Ogwr to Bourg-en-Bresse | 541.98 mi (872.23 km) |
| Pen-y-Bont ar Ogwr to Bourg-la-Reine | 321.74 mi (517.79 km) |
| Pen-y-Bont ar Ogwr to Bourg-les-Valence | 597.16 mi (961.03 km) |
| Pen-y-Bont ar Ogwr to Bourges | 406.99 mi (654.99 km) |
| Pen-y-Bont ar Ogwr to Bourgoin-Jallieu | 574.82 mi (925.08 km) |
| Pen-y-Bont ar Ogwr to Bressuire | 351.30 mi (565.36 km) |
| Pen-y-Bont ar Ogwr to Brest | 219.15 mi (352.69 km) |
| Pen-y-Bont ar Ogwr to Bretigny-sur-Orge | 328.71 mi (529.00 km) |
| Pen-y-Bont ar Ogwr to Breuillet | 326.03 mi (524.70 km) |
| Pen-y-Bont ar Ogwr to Briancon | 654.52 mi (1,053.35 km) |
