| Gourock to Bahce | 2,303.25 mi (3,706.72 km) |
| Gourock to Bahcesaray | 2,491.40 mi (4,009.52 km) |
| Gourock to Balikesir | 1,862.38 mi (2,997.21 km) |
| Gourock to Balya | 1,845.73 mi (2,970.42 km) |
| Gourock to Banaz | 1,975.33 mi (3,178.98 km) |
| Gourock to Bandirma | 1,828.76 mi (2,943.11 km) |
| Gourock to Bartin | 1,925.79 mi (3,099.26 km) |
| Gourock to Baskale | 2,541.57 mi (4,090.26 km) |
| Gourock to Baskil | 2,318.30 mi (3,730.95 km) |
| Gourock to Basmakci | 2,028.48 mi (3,264.52 km) |
| Gourock to Batman | 2,439.53 mi (3,926.04 km) |
| Gourock to Battalgazi | 2,308.32 mi (3,714.89 km) |
| Gourock to Bayat | 2,045.21 mi (3,291.45 km) |
| Gourock to Bayburt | 2,289.70 mi (3,684.91 km) |
| Gourock to Bayindir | 1,927.96 mi (3,102.75 km) |
