| Porthcawl to Bois-Colombes | 317.32 mi (510.68 km) |
| Porthcawl to Bois-d'Arcy | 313.62 mi (504.72 km) |
| Porthcawl to Bois-Guillaume | 252.92 mi (407.04 km) |
| Porthcawl to Boissy-Saint-Leger | 333.02 mi (535.95 km) |
| Porthcawl to Bolbec | 225.34 mi (362.65 km) |
| Porthcawl to Bollene | 631.89 mi (1,016.94 km) |
| Porthcawl to Bondoufle | 334.16 mi (537.77 km) |
| Porthcawl to Bondues | 299.13 mi (481.40 km) |
| Porthcawl to Bondy | 325.84 mi (524.39 km) |
| Porthcawl to Bonneuil-sur-Marne | 331.22 mi (533.05 km) |
| Porthcawl to Bonneville | 590.99 mi (951.10 km) |
| Porthcawl to Bordeaux | 480.53 mi (773.34 km) |
| Porthcawl to Borgo | 870.55 mi (1,401.01 km) |
| Porthcawl to Bouc-Bel-Air | 697.69 mi (1,122.82 km) |
| Porthcawl to Boucau | 559.20 mi (899.95 km) |
