| Porvoo to Masquefa | 1,648.51 mi (2,653.02 km) |
| Porvoo to Matadepera | 1,637.12 mi (2,634.69 km) |
| Porvoo to Mazarron | 1,965.18 mi (3,162.66 km) |
| Porvoo to Meco | 1,842.69 mi (2,965.52 km) |
| Porvoo to Medina del Campo | 1,844.89 mi (2,969.07 km) |
| Porvoo to Medina Sidonia | 2,156.81 mi (3,471.06 km) |
| Porvoo to Mejorada del Campo | 1,853.55 mi (2,983.00 km) |
| Porvoo to Meliana | 1,823.23 mi (2,934.20 km) |
| Porvoo to Mengibar | 2,008.99 mi (3,233.16 km) |
| Porvoo to Merida | 2,024.65 mi (3,258.37 km) |
| Porvoo to Miajadas | 2,002.40 mi (3,222.56 km) |
| Porvoo to Mieres | 1,760.46 mi (2,833.19 km) |
| Porvoo to Miguelturra | 1,953.44 mi (3,143.76 km) |
| Porvoo to Mijas | 2,113.57 mi (3,401.47 km) |
| Porvoo to Miranda de Ebro | 1,708.59 mi (2,749.71 km) |
