| Porvoo to Mickleover | 1,144.92 mi (1,842.57 km) |
| Porvoo to Middlesbrough | 1,067.43 mi (1,717.86 km) |
| Porvoo to Middleton | 1,139.07 mi (1,833.15 km) |
| Porvoo to Middlewich | 1,162.36 mi (1,870.63 km) |
| Porvoo to Midsomer Norton | 1,246.35 mi (2,005.81 km) |
| Porvoo to Mildenhall | 1,101.72 mi (1,773.05 km) |
| Porvoo to Milford Haven | 1,311.42 mi (2,110.52 km) |
| Porvoo to Mill Hill | 1,158.26 mi (1,864.04 km) |
| Porvoo to Milngavie | 1,123.90 mi (1,808.74 km) |
| Porvoo to Milnrow | 1,134.32 mi (1,825.52 km) |
| Porvoo to Milton | 1,158.22 mi (1,863.97 km) |
| Porvoo to Milton Keynes | 1,156.36 mi (1,860.98 km) |
| Porvoo to Minehead | 1,282.36 mi (2,063.76 km) |
| Porvoo to Minster | 1,134.37 mi (1,825.59 km) |
| Porvoo to Mirfield | 1,117.40 mi (1,798.29 km) |
