| Porthcawl to Bilecik | 1,779.81 mi (2,864.32 km) |
| Porthcawl to Bingol | 2,279.47 mi (3,668.45 km) |
| Porthcawl to Birecik | 2,251.66 mi (3,623.69 km) |
| Porthcawl to Bitlis | 2,368.77 mi (3,812.16 km) |
| Porthcawl to Bodrum | 1,813.62 mi (2,918.74 km) |
| Porthcawl to Bogazliyan | 2,042.18 mi (3,286.57 km) |
| Porthcawl to Bolu | 1,824.07 mi (2,935.56 km) |
| Porthcawl to Bolvadin | 1,885.77 mi (3,034.85 km) |
| Porthcawl to Bor | 2,069.73 mi (3,330.91 km) |
| Porthcawl to Borcka | 2,230.60 mi (3,589.81 km) |
| Porthcawl to Boyabat | 1,929.89 mi (3,105.86 km) |
| Porthcawl to Bozdogan | 1,819.72 mi (2,928.56 km) |
| Porthcawl to Bozkir | 2,003.66 mi (3,224.58 km) |
| Porthcawl to Bozkurt | 1,866.55 mi (3,003.92 km) |
| Porthcawl to Bozuyuk | 1,792.13 mi (2,884.16 km) |
