| Petersburg to Mangualde | 3,651.02 mi (5,875.75 km) |
| Petersburg to Marco de Canavezes | 3,618.16 mi (5,822.87 km) |
| Petersburg to Marinha Grande | 3,613.74 mi (5,815.76 km) |
| Petersburg to Massama | 3,621.09 mi (5,827.58 km) |
| Petersburg to Matosinhos | 3,591.24 mi (5,779.55 km) |
| Petersburg to Mealhada | 3,622.41 mi (5,829.71 km) |
| Petersburg to Melgaco | 3,590.95 mi (5,779.08 km) |
| Petersburg to Melres | 3,608.66 mi (5,807.58 km) |
| Petersburg to Mira | 3,607.23 mi (5,805.28 km) |
| Petersburg to Miranda do Corvo | 3,635.01 mi (5,849.99 km) |
| Petersburg to Mirandela | 3,658.24 mi (5,887.37 km) |
| Petersburg to Mogadouro | 3,684.48 mi (5,929.60 km) |
| Petersburg to Moimenta da Beira | 3,649.23 mi (5,872.86 km) |
| Petersburg to Moita | 3,638.41 mi (5,855.46 km) |
| Petersburg to Moncao | 3,581.60 mi (5,764.02 km) |
