| Karlovy Vary to Masquefa | 802.45 mi (1,291.41 km) |
| Karlovy Vary to Matadepera | 790.33 mi (1,271.92 km) |
| Karlovy Vary to Mazarron | 1,118.70 mi (1,800.37 km) |
| Karlovy Vary to Meco | 1,027.95 mi (1,654.32 km) |
| Karlovy Vary to Medina del Campo | 1,051.99 mi (1,693.02 km) |
| Karlovy Vary to Medina Sidonia | 1,332.68 mi (2,144.74 km) |
| Karlovy Vary to Mejorada del Campo | 1,037.95 mi (1,670.42 km) |
| Karlovy Vary to Meliana | 979.88 mi (1,576.96 km) |
| Karlovy Vary to Mengibar | 1,179.22 mi (1,897.77 km) |
| Karlovy Vary to Merida | 1,221.13 mi (1,965.21 km) |
| Karlovy Vary to Miajadas | 1,198.76 mi (1,929.22 km) |
| Karlovy Vary to Mieres | 1,002.21 mi (1,612.91 km) |
| Karlovy Vary to Miguelturra | 1,131.18 mi (1,820.45 km) |
| Karlovy Vary to Mijas | 1,281.63 mi (2,062.58 km) |
| Karlovy Vary to Miranda de Ebro | 912.41 mi (1,468.39 km) |
