| Olive Branch to Mangualde | 4,332.32 mi (6,972.20 km) |
| Olive Branch to Marco de Canavezes | 4,297.60 mi (6,916.32 km) |
| Olive Branch to Marinha Grande | 4,299.70 mi (6,919.70 km) |
| Olive Branch to Massama | 4,310.93 mi (6,937.78 km) |
| Olive Branch to Matosinhos | 4,271.36 mi (6,874.08 km) |
| Olive Branch to Mealhada | 4,305.41 mi (6,928.89 km) |
| Olive Branch to Melgaco | 4,266.57 mi (6,866.39 km) |
| Olive Branch to Melres | 4,288.89 mi (6,902.29 km) |
| Olive Branch to Mira | 4,290.37 mi (6,904.69 km) |
| Olive Branch to Miranda do Corvo | 4,318.96 mi (6,950.70 km) |
| Olive Branch to Mirandela | 4,335.21 mi (6,976.84 km) |
| Olive Branch to Mogadouro | 4,361.49 mi (7,019.14 km) |
| Olive Branch to Moimenta da Beira | 4,328.84 mi (6,966.59 km) |
| Olive Branch to Moita | 4,328.29 mi (6,965.72 km) |
| Olive Branch to Moncao | 4,257.68 mi (6,852.07 km) |
