| Mayfield Heights to Mangualde | 3,715.16 mi (5,978.97 km) |
| Mayfield Heights to Marco de Canavezes | 3,679.01 mi (5,920.80 km) |
| Mayfield Heights to Marinha Grande | 3,686.91 mi (5,933.51 km) |
| Mayfield Heights to Massama | 3,702.25 mi (5,958.20 km) |
| Mayfield Heights to Matosinhos | 3,653.39 mi (5,879.56 km) |
| Mayfield Heights to Mealhada | 3,689.81 mi (5,938.18 km) |
| Mayfield Heights to Melgaco | 3,645.19 mi (5,866.37 km) |
| Mayfield Heights to Melres | 3,670.96 mi (5,907.83 km) |
| Mayfield Heights to Mira | 3,674.95 mi (5,914.26 km) |
| Mayfield Heights to Miranda do Corvo | 3,704.18 mi (5,961.31 km) |
| Mayfield Heights to Mirandela | 3,714.61 mi (5,978.08 km) |
| Mayfield Heights to Mogadouro | 3,740.85 mi (6,020.32 km) |
| Mayfield Heights to Moimenta da Beira | 3,710.29 mi (5,971.14 km) |
| Mayfield Heights to Moita | 3,719.60 mi (5,986.12 km) |
| Mayfield Heights to Moncao | 3,636.65 mi (5,852.62 km) |
