| Diekirch to Masquefa | 614.50 mi (988.95 km) |
| Diekirch to Matadepera | 604.55 mi (972.93 km) |
| Diekirch to Mazarron | 925.05 mi (1,488.72 km) |
| Diekirch to Meco | 790.61 mi (1,272.37 km) |
| Diekirch to Medina del Campo | 796.57 mi (1,281.95 km) |
| Diekirch to Medina Sidonia | 1,104.88 mi (1,778.13 km) |
| Diekirch to Mejorada del Campo | 801.48 mi (1,289.85 km) |
| Diekirch to Meliana | 781.95 mi (1,258.42 km) |
| Diekirch to Mengibar | 958.31 mi (1,542.25 km) |
| Diekirch to Merida | 974.38 mi (1,568.11 km) |
| Diekirch to Miajadas | 952.02 mi (1,532.14 km) |
| Diekirch to Mieres | 726.84 mi (1,169.74 km) |
| Diekirch to Miguelturra | 901.59 mi (1,450.97 km) |
| Diekirch to Mijas | 1,063.10 mi (1,710.90 km) |
| Diekirch to Miranda de Ebro | 658.50 mi (1,059.75 km) |
