| Morriston to Bougival | 330.72 mi (532.24 km) |
| Morriston to Bouguenais | 327.02 mi (526.29 km) |
| Morriston to Boulogne-Billancourt | 335.62 mi (540.13 km) |
| Morriston to Boulogne-sur-Mer | 248.98 mi (400.69 km) |
| Morriston to Bourg-de-Peage | 615.55 mi (990.63 km) |
| Morriston to Bourg-en-Bresse | 560.86 mi (902.61 km) |
| Morriston to Bourg-la-Reine | 340.65 mi (548.22 km) |
| Morriston to Bourg-les-Valence | 615.75 mi (990.96 km) |
| Morriston to Bourges | 425.58 mi (684.90 km) |
| Morriston to Bourgoin-Jallieu | 593.62 mi (955.33 km) |
| Morriston to Bressuire | 367.78 mi (591.88 km) |
| Morriston to Brest | 227.58 mi (366.25 km) |
| Morriston to Bretigny-sur-Orge | 347.63 mi (559.45 km) |
| Morriston to Breuillet | 344.95 mi (555.14 km) |
| Morriston to Briancon | 673.37 mi (1,083.69 km) |
