| Porvoo to Mitcham | 1,165.86 mi (1,876.27 km) |
| Porvoo to Mold | 1,186.43 mi (1,909.37 km) |
| Porvoo to Molesey | 1,172.61 mi (1,887.13 km) |
| Porvoo to Monkseaton | 1,057.78 mi (1,702.34 km) |
| Porvoo to Monmouth | 1,230.53 mi (1,980.35 km) |
| Porvoo to Montrose | 1,036.83 mi (1,668.61 km) |
| Porvoo to Morden | 1,167.21 mi (1,878.44 km) |
| Porvoo to Morecambe | 1,141.56 mi (1,837.17 km) |
| Porvoo to Moreton | 1,176.15 mi (1,892.83 km) |
| Porvoo to Morley | 1,111.78 mi (1,789.24 km) |
| Porvoo to Morpeth | 1,061.16 mi (1,707.77 km) |
| Porvoo to Morriston | 1,277.05 mi (2,055.22 km) |
| Porvoo to Mosbrough | 1,120.97 mi (1,804.03 km) |
| Porvoo to Mossley | 1,135.74 mi (1,827.80 km) |
| Porvoo to Moston | 1,140.58 mi (1,835.59 km) |
