| Greenock to Bilecik | 1,909.81 mi (3,073.55 km) |
| Greenock to Bingol | 2,364.36 mi (3,805.06 km) |
| Greenock to Birecik | 2,361.99 mi (3,801.25 km) |
| Greenock to Bitlis | 2,449.35 mi (3,941.85 km) |
| Greenock to Bodrum | 1,981.56 mi (3,189.02 km) |
| Greenock to Bogazliyan | 2,151.15 mi (3,461.95 km) |
| Greenock to Bolu | 1,940.15 mi (3,122.38 km) |
| Greenock to Bolvadin | 2,020.96 mi (3,252.42 km) |
| Greenock to Bor | 2,191.87 mi (3,527.48 km) |
| Greenock to Borcka | 2,291.46 mi (3,687.75 km) |
| Greenock to Boyabat | 2,023.16 mi (3,255.96 km) |
| Greenock to Bozdogan | 1,978.12 mi (3,183.48 km) |
| Greenock to Bozkir | 2,143.21 mi (3,449.16 km) |
| Greenock to Bozkurt | 2,016.41 mi (3,245.10 km) |
| Greenock to Bozuyuk | 1,923.73 mi (3,095.94 km) |
