| Silverton to Mangualde | 5,286.67 mi (8,508.08 km) |
| Silverton to Marco de Canavezes | 5,243.22 mi (8,438.14 km) |
| Silverton to Marinha Grande | 5,289.95 mi (8,513.35 km) |
| Silverton to Massama | 5,329.05 mi (8,576.28 km) |
| Silverton to Matosinhos | 5,224.21 mi (8,407.56 km) |
| Silverton to Mealhada | 5,274.20 mi (8,488.00 km) |
| Silverton to Melgaco | 5,191.00 mi (8,354.11 km) |
| Silverton to Melres | 5,240.61 mi (8,433.95 km) |
| Silverton to Mira | 5,261.72 mi (8,467.92 km) |
| Silverton to Miranda do Corvo | 5,292.94 mi (8,518.17 km) |
| Silverton to Mirandela | 5,260.68 mi (8,466.25 km) |
| Silverton to Mogadouro | 5,284.40 mi (8,504.42 km) |
| Silverton to Moimenta da Beira | 5,272.24 mi (8,484.84 km) |
| Silverton to Moita | 5,345.01 mi (8,601.96 km) |
| Silverton to Moncao | 5,185.95 mi (8,345.99 km) |
