| Merthyr Tudful to Llantrisant | 13.89 mi (22.35 km) |
| Merthyr Tudful to Llantwit Major | 23.64 mi (38.05 km) |
| Merthyr Tudful to London | 140.36 mi (225.89 km) |
| Merthyr Tudful to London Colney | 131.70 mi (211.96 km) |
| Merthyr Tudful to Long Eaton | 119.52 mi (192.35 km) |
| Merthyr Tudful to Longbenton | 237.04 mi (381.47 km) |
| Merthyr Tudful to Longbridge | 74.56 mi (120.00 km) |
| Merthyr Tudful to Longton | 100.78 mi (162.18 km) |
| Merthyr Tudful to Loughborough | 116.27 mi (187.12 km) |
| Merthyr Tudful to Loughton | 147.94 mi (238.09 km) |
| Merthyr Tudful to Louth | 180.67 mi (290.76 km) |
| Merthyr Tudful to Lowestoft | 223.42 mi (359.56 km) |
| Merthyr Tudful to Lowton | 124.12 mi (199.76 km) |
| Merthyr Tudful to Ludlow | 51.49 mi (82.86 km) |
| Merthyr Tudful to Luton | 126.92 mi (204.26 km) |
