| Glenvar Heights to Mangualde | 4,202.89 mi (6,763.90 km) |
| Glenvar Heights to Marco de Canavezes | 4,176.03 mi (6,720.68 km) |
| Glenvar Heights to Marinha Grande | 4,152.24 mi (6,682.38 km) |
| Glenvar Heights to Massama | 4,146.31 mi (6,672.85 km) |
| Glenvar Heights to Matosinhos | 4,147.82 mi (6,675.27 km) |
| Glenvar Heights to Mealhada | 4,169.89 mi (6,710.80 km) |
| Glenvar Heights to Melgaco | 4,159.68 mi (6,694.36 km) |
| Glenvar Heights to Melres | 4,164.54 mi (6,702.18 km) |
| Glenvar Heights to Mira | 4,154.62 mi (6,686.21 km) |
| Glenvar Heights to Miranda do Corvo | 4,179.34 mi (6,726.00 km) |
| Glenvar Heights to Mirandela | 4,221.99 mi (6,794.64 km) |
| Glenvar Heights to Mogadouro | 4,247.56 mi (6,835.80 km) |
| Glenvar Heights to Moimenta da Beira | 4,205.96 mi (6,768.83 km) |
| Glenvar Heights to Moita | 4,163.11 mi (6,699.87 km) |
| Glenvar Heights to Moncao | 4,149.35 mi (6,677.73 km) |
