| Petaluma to Mangualde | 5,613.84 mi (9,034.61 km) |
| Petaluma to Marco de Canavezes | 5,571.51 mi (8,966.48 km) |
| Petaluma to Marinha Grande | 5,609.70 mi (9,027.94 km) |
| Petaluma to Massama | 5,643.42 mi (9,082.21 km) |
| Petaluma to Matosinhos | 5,550.73 mi (8,933.04 km) |
| Petaluma to Mealhada | 5,598.21 mi (9,009.44 km) |
| Petaluma to Melgaco | 5,522.76 mi (8,888.02 km) |
| Petaluma to Melres | 5,567.62 mi (8,960.22 km) |
| Petaluma to Mira | 5,585.00 mi (8,988.20 km) |
| Petaluma to Miranda do Corvo | 5,616.15 mi (9,038.32 km) |
| Petaluma to Mirandela | 5,593.29 mi (9,001.53 km) |
| Petaluma to Mogadouro | 5,617.88 mi (9,041.11 km) |
| Petaluma to Moimenta da Beira | 5,601.42 mi (9,014.61 km) |
| Petaluma to Moita | 5,659.92 mi (9,108.76 km) |
| Petaluma to Moncao | 5,516.86 mi (8,878.53 km) |
