| Merthyr Tudful to Bucak | 1,915.66 mi (3,082.96 km) |
| Merthyr Tudful to Buharkent | 1,817.14 mi (2,924.40 km) |
| Merthyr Tudful to Bulancak | 2,087.06 mi (3,358.79 km) |
| Merthyr Tudful to Bulanik | 2,334.26 mi (3,756.63 km) |
| Merthyr Tudful to Buldan | 1,816.87 mi (2,923.98 km) |
| Merthyr Tudful to Bunyan | 2,072.55 mi (3,335.45 km) |
| Merthyr Tudful to Burdur | 1,890.94 mi (3,043.18 km) |
| Merthyr Tudful to Burhaniye | 1,674.45 mi (2,694.77 km) |
| Merthyr Tudful to Bursa | 1,730.67 mi (2,785.24 km) |
| Merthyr Tudful to Buyukcekmece | 1,675.69 mi (2,696.77 km) |
| Merthyr Tudful to Buyukorhan | 1,743.89 mi (2,806.52 km) |
| Merthyr Tudful to Buyukyoncali | 1,633.84 mi (2,629.41 km) |
| Merthyr Tudful to Caglayancerit | 2,180.71 mi (3,509.52 km) |
| Merthyr Tudful to Cal | 1,838.19 mi (2,958.27 km) |
| Merthyr Tudful to Caldiran | 2,402.68 mi (3,866.74 km) |
