| Gourock to Ayamonte | 1,301.33 mi (2,094.29 km) |
| Gourock to Azcoitia | 889.61 mi (1,431.68 km) |
| Gourock to Azpeitia | 889.67 mi (1,431.79 km) |
| Gourock to Azuqueca de Henares | 1,065.60 mi (1,714.92 km) |
| Gourock to Badajoz | 1,183.83 mi (1,905.18 km) |
| Gourock to Badalona | 1,052.22 mi (1,693.38 km) |
| Gourock to Baena | 1,267.18 mi (2,039.34 km) |
| Gourock to Baeza | 1,243.21 mi (2,000.76 km) |
| Gourock to Bailen | 1,235.69 mi (1,988.65 km) |
| Gourock to Balaguer | 1,010.58 mi (1,626.37 km) |
| Gourock to Banolas | 1,014.25 mi (1,632.28 km) |
| Gourock to Baranain | 919.58 mi (1,479.92 km) |
| Gourock to Barbadanes | 953.40 mi (1,534.36 km) |
| Gourock to Barbastro | 986.76 mi (1,588.03 km) |
| Gourock to Barcelona | 1,054.85 mi (1,697.61 km) |
