| Cobh to Bougival | 503.58 mi (810.43 km) |
| Cobh to Bouguenais | 440.03 mi (708.16 km) |
| Cobh to Boulogne-Billancourt | 508.62 mi (818.54 km) |
| Cobh to Boulogne-sur-Mer | 434.91 mi (699.92 km) |
| Cobh to Bourg-de-Peage | 769.89 mi (1,239.01 km) |
| Cobh to Bourg-en-Bresse | 724.65 mi (1,166.20 km) |
| Cobh to Bourg-la-Reine | 513.41 mi (826.25 km) |
| Cobh to Bourg-les-Valence | 768.57 mi (1,236.90 km) |
| Cobh to Bourges | 581.32 mi (935.55 km) |
| Cobh to Bourgoin-Jallieu | 753.10 mi (1,212.00 km) |
| Cobh to Bressuire | 492.85 mi (793.16 km) |
| Cobh to Brest | 292.53 mi (470.78 km) |
| Cobh to Bretigny-sur-Orge | 518.67 mi (834.72 km) |
| Cobh to Breuillet | 514.90 mi (828.65 km) |
| Cobh to Briancon | 834.47 mi (1,342.95 km) |
