| Swansea to Bilecik | 5,809.20 mi (9,349.01 km) |
| Swansea to Bingol | 6,234.30 mi (10,033.14 km) |
| Swansea to Birecik | 6,253.27 mi (10,063.67 km) |
| Swansea to Bitlis | 6,312.42 mi (10,158.86 km) |
| Swansea to Bodrum | 5,869.58 mi (9,446.18 km) |
| Swansea to Bogazliyan | 6,043.46 mi (9,726.01 km) |
| Swansea to Bolu | 5,836.87 mi (9,393.54 km) |
| Swansea to Bolvadin | 5,920.44 mi (9,528.02 km) |
| Swansea to Bor | 6,089.30 mi (9,799.79 km) |
| Swansea to Borcka | 6,132.71 mi (9,869.65 km) |
| Swansea to Boyabat | 5,907.04 mi (9,506.46 km) |
| Swansea to Bozdogan | 5,871.78 mi (9,449.71 km) |
| Swansea to Bozkir | 6,042.54 mi (9,724.53 km) |
| Swansea to Bozkurt | 5,913.56 mi (9,516.95 km) |
| Swansea to Bozuyuk | 5,823.18 mi (9,371.50 km) |
