| Merthyr Tudful to Zrece | 923.54 mi (1,486.30 km) |
| Merthyr Tudful to Zuzemberk | 924.57 mi (1,487.95 km) |
| Merthyr Tudful to Abaran | 940.40 mi (1,513.44 km) |
| Merthyr Tudful to Abrera | 749.18 mi (1,205.70 km) |
| Merthyr Tudful to Acala del Rio | 990.98 mi (1,594.83 km) |
| Merthyr Tudful to Adeje | 1,772.32 mi (2,852.28 km) |
| Merthyr Tudful to Adra | 1,036.22 mi (1,667.63 km) |
| Merthyr Tudful to Aguilar | 984.89 mi (1,585.03 km) |
| Merthyr Tudful to Aguilas | 994.57 mi (1,600.61 km) |
| Merthyr Tudful to Alacuas | 860.23 mi (1,384.40 km) |
| Merthyr Tudful to Alayor | 891.42 mi (1,434.60 km) |
| Merthyr Tudful to Albacete | 883.80 mi (1,422.34 km) |
| Merthyr Tudful to Albal | 864.77 mi (1,391.71 km) |
| Merthyr Tudful to Albatera | 945.06 mi (1,520.92 km) |
| Merthyr Tudful to Alberique | 883.14 mi (1,421.28 km) |
