| Rio de Mouro to March | 1,053.26 mi (1,695.06 km) |
| Rio de Mouro to Margate | 1,014.09 mi (1,632.02 km) |
| Rio de Mouro to Market Drayton | 1,029.64 mi (1,657.05 km) |
| Rio de Mouro to Market Harborough | 1,029.05 mi (1,656.10 km) |
| Rio de Mouro to Marlow | 976.10 mi (1,570.88 km) |
| Rio de Mouro to Marple | 1,067.74 mi (1,718.37 km) |
| Rio de Mouro to Marton | 1,153.83 mi (1,856.91 km) |
| Rio de Mouro to Maryport | 1,134.82 mi (1,826.32 km) |
| Rio de Mouro to Matlock | 1,059.48 mi (1,705.07 km) |
| Rio de Mouro to Melksham | 937.72 mi (1,509.12 km) |
| Rio de Mouro to Meltham | 1,083.48 mi (1,743.69 km) |
| Rio de Mouro to Melton Mowbray | 1,047.59 mi (1,685.93 km) |
| Rio de Mouro to Merthyr Tudful | 941.25 mi (1,514.80 km) |
| Rio de Mouro to Methil | 1,237.59 mi (1,991.72 km) |
| Rio de Mouro to Mexborough | 1,086.64 mi (1,748.77 km) |
