| Barreiro to Mechernich | 1,125.45 mi (1,811.23 km) |
| Barreiro to Meckenbeuren | 1,122.55 mi (1,806.57 km) |
| Barreiro to Meckenheim | 1,139.14 mi (1,833.26 km) |
| Barreiro to Meerane | 1,342.17 mi (2,160.01 km) |
| Barreiro to Meerbusch | 1,156.74 mi (1,861.59 km) |
| Barreiro to Meine | 1,332.72 mi (2,144.80 km) |
| Barreiro to Meinerzhagen | 1,181.24 mi (1,901.02 km) |
| Barreiro to Meiningen | 1,255.11 mi (2,019.90 km) |
| Barreiro to Meissen | 1,391.43 mi (2,239.29 km) |
| Barreiro to Meitingen | 1,200.95 mi (1,932.74 km) |
| Barreiro to Melle | 1,253.26 mi (2,016.93 km) |
| Barreiro to Melsungen | 1,247.15 mi (2,007.09 km) |
| Barreiro to Memmelsdorf | 1,252.56 mi (2,015.80 km) |
| Barreiro to Memmingen | 1,157.13 mi (1,862.21 km) |
| Barreiro to Mendig | 1,136.63 mi (1,829.23 km) |
