| Giessen to Masquefa | 707.50 mi (1,138.62 km) |
| Giessen to Matadepera | 696.63 mi (1,121.12 km) |
| Giessen to Mazarron | 1,022.70 mi (1,645.88 km) |
| Giessen to Meco | 901.40 mi (1,450.66 km) |
| Giessen to Medina del Campo | 912.36 mi (1,468.30 km) |
| Giessen to Medina Sidonia | 1,213.96 mi (1,953.67 km) |
| Giessen to Mejorada del Campo | 912.05 mi (1,467.81 km) |
| Giessen to Meliana | 880.10 mi (1,416.39 km) |
| Giessen to Mengibar | 1,064.86 mi (1,713.72 km) |
| Giessen to Merida | 1,088.38 mi (1,751.58 km) |
| Giessen to Miajadas | 1,065.97 mi (1,715.51 km) |
| Giessen to Mieres | 846.87 mi (1,362.91 km) |
| Giessen to Miguelturra | 1,010.54 mi (1,626.30 km) |
| Giessen to Mijas | 1,169.30 mi (1,881.81 km) |
| Giessen to Miranda de Ebro | 773.42 mi (1,244.70 km) |
