| Portales to Marsala | 5,981.35 mi (9,626.04 km) |
| Portales to Marsciano | 5,742.80 mi (9,242.14 km) |
| Portales to Martano | 6,095.93 mi (9,810.45 km) |
| Portales to Martellago | 5,616.69 mi (9,039.19 km) |
| Portales to Martina Franca | 6,035.54 mi (9,713.26 km) |
| Portales to Martinengo | 5,527.29 mi (8,895.31 km) |
| Portales to Martinsicuro | 5,804.06 mi (9,340.73 km) |
| Portales to Mascali | 6,094.87 mi (9,808.75 km) |
| Portales to Mascalucia | 6,097.59 mi (9,813.13 km) |
| Portales to Masera di Padova | 5,616.42 mi (9,038.76 km) |
| Portales to Maserada sul Piave | 5,613.28 mi (9,033.71 km) |
| Portales to Massa | 5,608.84 mi (9,026.56 km) |
| Portales to Massa Lombarda | 5,653.71 mi (9,098.77 km) |
| Portales to Massafra | 6,033.09 mi (9,709.33 km) |
| Portales to Massalubrense | 5,926.39 mi (9,537.60 km) |
