| Portlethen to Bilecik | 1,846.81 mi (2,972.15 km) |
| Portlethen to Bingol | 2,283.11 mi (3,674.31 km) |
| Portlethen to Birecik | 2,289.35 mi (3,684.35 km) |
| Portlethen to Bitlis | 2,366.40 mi (3,808.35 km) |
| Portlethen to Bodrum | 1,933.49 mi (3,111.65 km) |
| Portlethen to Bogazliyan | 2,079.02 mi (3,345.86 km) |
| Portlethen to Bolu | 1,871.77 mi (3,012.32 km) |
| Portlethen to Bolvadin | 1,959.24 mi (3,153.10 km) |
| Portlethen to Bor | 2,124.29 mi (3,418.71 km) |
| Portlethen to Borcka | 2,203.04 mi (3,545.46 km) |
| Portlethen to Boyabat | 1,946.29 mi (3,132.25 km) |
| Portlethen to Bozdogan | 1,926.01 mi (3,099.61 km) |
| Portlethen to Bozkir | 2,082.48 mi (3,351.43 km) |
| Portlethen to Bozkurt | 1,960.54 mi (3,155.18 km) |
| Portlethen to Bozuyuk | 1,861.24 mi (2,995.38 km) |
