| Santa Monica to Mangualde | 5,656.22 mi (9,102.81 km) |
| Santa Monica to Marco de Canavezes | 5,615.48 mi (9,037.24 km) |
| Santa Monica to Marinha Grande | 5,644.04 mi (9,083.20 km) |
| Santa Monica to Massama | 5,671.70 mi (9,127.72 km) |
| Santa Monica to Matosinhos | 5,592.94 mi (9,000.97 km) |
| Santa Monica to Mealhada | 5,637.25 mi (9,072.28 km) |
| Santa Monica to Melgaco | 5,570.97 mi (8,965.61 km) |
| Santa Monica to Melres | 5,610.21 mi (9,028.76 km) |
| Santa Monica to Mira | 5,623.38 mi (9,049.96 km) |
| Santa Monica to Miranda do Corvo | 5,654.18 mi (9,099.52 km) |
| Santa Monica to Mirandela | 5,641.86 mi (9,079.70 km) |
| Santa Monica to Mogadouro | 5,667.22 mi (9,120.50 km) |
| Santa Monica to Moimenta da Beira | 5,646.12 mi (9,086.55 km) |
| Santa Monica to Moita | 5,688.64 mi (9,154.98 km) |
| Santa Monica to Moncao | 5,564.18 mi (8,954.69 km) |
