| South Lake Tahoe to Mangualde | 5,478.93 mi (8,817.48 km) |
| South Lake Tahoe to Marco de Canavezes | 5,436.85 mi (8,749.77 km) |
| South Lake Tahoe to Marinha Grande | 5,473.35 mi (8,808.50 km) |
| South Lake Tahoe to Massama | 5,506.06 mi (8,861.14 km) |
| South Lake Tahoe to Matosinhos | 5,415.74 mi (8,715.80 km) |
| South Lake Tahoe to Mealhada | 5,462.68 mi (8,791.33 km) |
| South Lake Tahoe to Melgaco | 5,388.86 mi (8,672.53 km) |
| South Lake Tahoe to Melres | 5,432.71 mi (8,743.10 km) |
| South Lake Tahoe to Mira | 5,449.35 mi (8,769.88 km) |
| South Lake Tahoe to Miranda do Corvo | 5,480.45 mi (8,819.94 km) |
| South Lake Tahoe to Mirandela | 5,459.51 mi (8,786.23 km) |
| South Lake Tahoe to Mogadouro | 5,484.26 mi (8,826.07 km) |
| South Lake Tahoe to Moimenta da Beira | 5,466.92 mi (8,798.16 km) |
| South Lake Tahoe to Moita | 5,522.64 mi (8,887.83 km) |
| South Lake Tahoe to Moncao | 5,382.79 mi (8,662.77 km) |
