In North Chahar most of the land was part of the northeastern extension of the Gobi Desert.

The northeastern extension is slightly more complex, as the line will split.

A northeastern extension of the line with two new stations is currently being developed.

Teresina is the largest capital in the northeastern territorial extension, with 1.755,698 km2.

Assean Lake lies within the northeastern extension of the Thompson Belt.

The Cordillera de Mérida is a northeastern extension of the Andes Mountains.

Sinus Aestuum forms a northeastern extension to the mare.

The range is a northeastern extension of the Andes Mountains, and is also known as the Maritime Andes.

Towards its northeastern extension (Salonikiou Beach) significant parts of the village territory is covered with forests.

The full northeastern extension of the line was never built, as the Tobu Railway upgraded to quadruple track within the same corridor to meet capacity demands.