Lithuania
total: 1,768 km
broad gauge: 1,746 km 1.524-m gauge (122 km electrified)
standard gauge: 22 km 1.435-m gauge (2009)
Luxembourg
total: 275 km
standard gauge: 275 km 1.435-m gauge (243 km electrified) (2008)
Macedonia
total: 699 km
standard gauge: 699 km 1.435-m gauge (234 km electrified) (2009)
Madagascar
total: 854 km
narrow gauge: 854 km 1.000-m gauge (2008)
Malawi
total: 797 km
narrow gauge: 797 km 1.067-m gauge (2008)
Malaysia
total: 1,849 km
standard gauge: 57 km 1.435-m gauge (57 km electrified)
narrow gauge: 1,792 km 1.000-m gauge (150 km electrified) (2008)
Mali
total: 593 km
narrow gauge: 593 km 1.000-m gauge (2008)
Mauritania
728 km
standard gauge: 728 km 1.435-m gauge (2008)
Mexico
total: 17,516 km
standard gauge: 17,516 km 1.435-m gauge (2008)
Moldova
total: 1,138 km
broad gauge: 1,124 km 1.520-m gauge
standard gauge: 14 km 1.435-m gauge (2008)