| Cwmbran to Bougival | 298.32 mi (480.09 km) |
| Cwmbran to Bouguenais | 315.55 mi (507.82 km) |
| Cwmbran to Boulogne-Billancourt | 303.12 mi (487.83 km) |
| Cwmbran to Boulogne-sur-Mer | 210.66 mi (339.03 km) |
| Cwmbran to Bourg-de-Peage | 587.73 mi (945.85 km) |
| Cwmbran to Bourg-en-Bresse | 530.33 mi (853.48 km) |
| Cwmbran to Bourg-la-Reine | 308.20 mi (496.00 km) |
| Cwmbran to Bourg-les-Valence | 588.39 mi (946.92 km) |
| Cwmbran to Bourges | 398.58 mi (641.45 km) |
| Cwmbran to Bourgoin-Jallieu | 564.31 mi (908.17 km) |
| Cwmbran to Bressuire | 351.56 mi (565.78 km) |
| Cwmbran to Brest | 234.68 mi (377.68 km) |
| Cwmbran to Bretigny-sur-Orge | 315.81 mi (508.24 km) |
| Cwmbran to Breuillet | 313.59 mi (504.67 km) |
| Cwmbran to Briancon | 643.27 mi (1,035.24 km) |
