| Grenchen to Bougival | 268.98 mi (432.88 km) |
| Grenchen to Bouguenais | 423.23 mi (681.13 km) |
| Grenchen to Boulogne-Billancourt | 263.92 mi (424.74 km) |
| Grenchen to Boulogne-sur-Mer | 358.25 mi (576.54 km) |
| Grenchen to Bourg-de-Peage | 186.41 mi (300.00 km) |
| Grenchen to Bourg-en-Bresse | 123.21 mi (198.28 km) |
| Grenchen to Bourg-la-Reine | 259.30 mi (417.30 km) |
| Grenchen to Bourg-les-Valence | 195.92 mi (315.31 km) |
| Grenchen to Bourges | 235.07 mi (378.32 km) |
| Grenchen to Bourgoin-Jallieu | 150.07 mi (241.52 km) |
| Grenchen to Bressuire | 372.08 mi (598.80 km) |
| Grenchen to Brest | 557.37 mi (897.00 km) |
| Grenchen to Bretigny-sur-Orge | 255.35 mi (410.95 km) |
| Grenchen to Breuillet | 260.05 mi (418.51 km) |
| Grenchen to Briancon | 162.70 mi (261.85 km) |
