| Grenchen to Bahcesaray | 1,886.11 mi (3,035.40 km) |
| Grenchen to Balikesir | 1,148.47 mi (1,848.29 km) |
| Grenchen to Balya | 1,130.73 mi (1,819.73 km) |
| Grenchen to Banaz | 1,266.10 mi (2,037.60 km) |
| Grenchen to Bandirma | 1,125.43 mi (1,811.21 km) |
| Grenchen to Bartin | 1,283.06 mi (2,064.89 km) |
| Grenchen to Baskale | 1,945.38 mi (3,130.78 km) |
| Grenchen to Baskil | 1,685.13 mi (2,711.95 km) |
| Grenchen to Basmakci | 1,311.35 mi (2,110.41 km) |
| Grenchen to Batman | 1,816.74 mi (2,923.75 km) |
| Grenchen to Battalgazi | 1,669.18 mi (2,686.29 km) |
| Grenchen to Bayat | 1,403.19 mi (2,258.22 km) |
| Grenchen to Bayburt | 1,693.77 mi (2,725.86 km) |
| Grenchen to Bayindir | 1,195.31 mi (1,923.66 km) |
| Grenchen to Baykan | 1,837.17 mi (2,956.64 km) |
