| Cape Girardeau to Mangualde | 4,233.56 mi (6,813.26 km) |
| Cape Girardeau to Marco de Canavezes | 4,197.81 mi (6,755.72 km) |
| Cape Girardeau to Marinha Grande | 4,203.93 mi (6,765.57 km) |
| Cape Girardeau to Massama | 4,217.83 mi (6,787.94 km) |
| Cape Girardeau to Matosinhos | 4,172.00 mi (6,714.19 km) |
| Cape Girardeau to Mealhada | 4,207.73 mi (6,771.69 km) |
| Cape Girardeau to Melgaco | 4,164.70 mi (6,702.44 km) |
| Cape Girardeau to Melres | 4,189.56 mi (6,742.45 km) |
| Cape Girardeau to Mira | 4,192.81 mi (6,747.68 km) |
| Cape Girardeau to Miranda do Corvo | 4,221.85 mi (6,794.42 km) |
| Cape Girardeau to Mirandela | 4,233.94 mi (6,813.86 km) |
| Cape Girardeau to Mogadouro | 4,260.20 mi (6,856.12 km) |
| Cape Girardeau to Moimenta da Beira | 4,229.08 mi (6,806.05 km) |
| Cape Girardeau to Moita | 4,235.19 mi (6,815.88 km) |
| Cape Girardeau to Moncao | 4,156.07 mi (6,688.54 km) |
