| Riihimaki to Marco de Canavezes | 1,931.78 mi (3,108.91 km) |
| Riihimaki to Marinha Grande | 2,036.92 mi (3,278.10 km) |
| Riihimaki to Massama | 2,104.40 mi (3,386.70 km) |
| Riihimaki to Matosinhos | 1,948.05 mi (3,135.08 km) |
| Riihimaki to Mealhada | 1,986.33 mi (3,196.69 km) |
| Riihimaki to Melgaco | 1,882.45 mi (3,029.51 km) |
| Riihimaki to Melres | 1,945.80 mi (3,131.46 km) |
| Riihimaki to Mira | 1,991.78 mi (3,205.47 km) |
| Riihimaki to Miranda do Corvo | 1,999.21 mi (3,217.42 km) |
| Riihimaki to Mirandela | 1,886.17 mi (3,035.50 km) |
| Riihimaki to Mogadouro | 1,881.35 mi (3,027.73 km) |
| Riihimaki to Moimenta da Beira | 1,927.68 mi (3,102.30 km) |
| Riihimaki to Moita | 2,102.16 mi (3,383.10 km) |
| Riihimaki to Moncao | 1,891.26 mi (3,043.69 km) |
| Riihimaki to Montalegre | 1,884.90 mi (3,033.45 km) |
