| Smolyan to Marco de Canavezes | 1,692.82 mi (2,724.34 km) |
| Smolyan to Marinha Grande | 1,756.05 mi (2,826.09 km) |
| Smolyan to Massama | 1,792.70 mi (2,885.08 km) |
| Smolyan to Matosinhos | 1,720.80 mi (2,769.35 km) |
| Smolyan to Mealhada | 1,720.40 mi (2,768.71 km) |
| Smolyan to Melgaco | 1,686.49 mi (2,714.15 km) |
| Smolyan to Melres | 1,707.23 mi (2,747.53 km) |
| Smolyan to Mira | 1,734.06 mi (2,790.70 km) |
| Smolyan to Miranda do Corvo | 1,719.16 mi (2,766.72 km) |
| Smolyan to Mirandela | 1,639.45 mi (2,638.44 km) |
| Smolyan to Mogadouro | 1,617.81 mi (2,603.61 km) |
| Smolyan to Moimenta da Beira | 1,668.45 mi (2,685.10 km) |
| Smolyan to Moita | 1,779.88 mi (2,864.45 km) |
| Smolyan to Moncao | 1,697.78 mi (2,732.32 km) |
| Smolyan to Montalegre | 1,666.06 mi (2,681.27 km) |
