| Castro Daire to Mechernich | 968.11 mi (1,558.02 km) |
| Castro Daire to Meckenbeuren | 981.33 mi (1,579.30 km) |
| Castro Daire to Meckenheim | 982.22 mi (1,580.73 km) |
| Castro Daire to Meerane | 1,191.68 mi (1,917.82 km) |
| Castro Daire to Meerbusch | 997.78 mi (1,605.77 km) |
| Castro Daire to Meine | 1,175.64 mi (1,892.01 km) |
| Castro Daire to Meinerzhagen | 1,023.88 mi (1,647.77 km) |
| Castro Daire to Meiningen | 1,103.09 mi (1,775.25 km) |
| Castro Daire to Meissen | 1,241.05 mi (1,997.27 km) |
| Castro Daire to Meitingen | 1,057.54 mi (1,701.95 km) |
| Castro Daire to Melle | 1,094.21 mi (1,760.96 km) |
| Castro Daire to Melsungen | 1,092.20 mi (1,757.73 km) |
| Castro Daire to Memmelsdorf | 1,103.44 mi (1,775.82 km) |
| Castro Daire to Memmingen | 1,015.40 mi (1,634.12 km) |
| Castro Daire to Mendig | 980.82 mi (1,578.48 km) |
