| Tiffin to Mangualde | 3,807.88 mi (6,128.19 km) |
| Tiffin to Marco de Canavezes | 3,771.61 mi (6,069.83 km) |
| Tiffin to Marinha Grande | 3,779.96 mi (6,083.26 km) |
| Tiffin to Massama | 3,795.54 mi (6,108.33 km) |
| Tiffin to Matosinhos | 3,746.05 mi (6,028.68 km) |
| Tiffin to Mealhada | 3,782.66 mi (6,087.61 km) |
| Tiffin to Melgaco | 3,737.52 mi (6,014.96 km) |
| Tiffin to Melres | 3,763.62 mi (6,056.96 km) |
| Tiffin to Mira | 3,767.82 mi (6,063.72 km) |
| Tiffin to Miranda do Corvo | 3,797.09 mi (6,110.83 km) |
| Tiffin to Mirandela | 3,807.01 mi (6,126.79 km) |
| Tiffin to Mogadouro | 3,833.24 mi (6,169.01 km) |
| Tiffin to Moimenta da Beira | 3,802.89 mi (6,120.16 km) |
| Tiffin to Moita | 3,812.88 mi (6,136.24 km) |
| Tiffin to Moncao | 3,729.02 mi (6,001.27 km) |
