| Jaca to Mangualde | 396.06 mi (637.40 km) |
| Jaca to Marco de Canavezes | 402.13 mi (647.17 km) |
| Jaca to Marinha Grande | 476.85 mi (767.42 km) |
| Jaca to Massama | 526.72 mi (847.67 km) |
| Jaca to Matosinhos | 429.66 mi (691.47 km) |
| Jaca to Mealhada | 435.34 mi (700.62 km) |
| Jaca to Melgaco | 395.14 mi (635.92 km) |
| Jaca to Melres | 416.89 mi (670.93 km) |
| Jaca to Mira | 447.84 mi (720.72 km) |
| Jaca to Miranda do Corvo | 437.68 mi (704.38 km) |
| Jaca to Mirandela | 348.18 mi (560.34 km) |
| Jaca to Mogadouro | 327.80 mi (527.55 km) |
| Jaca to Moimenta da Beira | 379.72 mi (611.09 km) |
| Jaca to Moita | 517.64 mi (833.06 km) |
| Jaca to Moncao | 406.36 mi (653.98 km) |
