| Porthcawl to Bougival | 314.80 mi (506.62 km) |
| Porthcawl to Bouguenais | 311.49 mi (501.30 km) |
| Porthcawl to Boulogne-Billancourt | 319.72 mi (514.54 km) |
| Porthcawl to Boulogne-sur-Mer | 235.90 mi (379.65 km) |
| Porthcawl to Bourg-de-Peage | 598.98 mi (963.96 km) |
| Porthcawl to Bourg-en-Bresse | 544.54 mi (876.36 km) |
| Porthcawl to Bourg-la-Reine | 324.73 mi (522.60 km) |
| Porthcawl to Bourg-les-Valence | 599.16 mi (964.25 km) |
| Porthcawl to Bourges | 408.98 mi (658.19 km) |
| Porthcawl to Bourgoin-Jallieu | 577.16 mi (928.85 km) |
| Porthcawl to Bressuire | 351.63 mi (565.89 km) |
| Porthcawl to Brest | 216.44 mi (348.32 km) |
| Porthcawl to Bretigny-sur-Orge | 331.58 mi (533.62 km) |
| Porthcawl to Breuillet | 328.82 mi (529.19 km) |
| Porthcawl to Briancon | 656.99 mi (1,057.32 km) |
