Macau 0 km
Macedonia, The Former Yugoslav Republic of
total: 699 km
standard gauge: 699 km 1.435-m gauge (233 km electrified) (2002)
Madagascar
total: 732 km
narrow gauge: 732 km 1.000-m gauge (2002)
Malawi
total: 797 km
narrow gauge: 797 km 1.067-m gauge (2002)
Malaysia
total: 2,418 km
standard gauge: 57 km 1.435-m gauge
narrow gauge: 2,361 km 1.000-m gauge (150 km electrified) (2002)
Maldives
0 km
Mali
total: 729 km
narrow gauge: 729 km 1.000-m gauge (2002)
Malta
0 km
Man, Isle of
total: 60 km (35 km electrified) (2002)
Marshall Islands
0 km