| Barreiro to March | 1,054.46 mi (1,696.99 km) |
| Barreiro to Margate | 1,013.90 mi (1,631.71 km) |
| Barreiro to Market Drayton | 1,032.51 mi (1,661.66 km) |
| Barreiro to Market Harborough | 1,030.80 mi (1,658.91 km) |
| Barreiro to Marlow | 977.31 mi (1,572.83 km) |
| Barreiro to Marple | 1,070.54 mi (1,722.88 km) |
| Barreiro to Marton | 1,156.59 mi (1,861.35 km) |
| Barreiro to Maryport | 1,138.83 mi (1,832.76 km) |
| Barreiro to Matlock | 1,061.89 mi (1,708.94 km) |
| Barreiro to Melksham | 939.71 mi (1,512.32 km) |
| Barreiro to Meltham | 1,086.23 mi (1,748.12 km) |
| Barreiro to Melton Mowbray | 1,049.45 mi (1,688.93 km) |
| Barreiro to Merthyr Tudful | 944.24 mi (1,519.61 km) |
| Barreiro to Methil | 1,241.73 mi (1,998.38 km) |
| Barreiro to Mexborough | 1,089.04 mi (1,752.64 km) |
