Nuuk Airport kilometres south of Nuuk and would need a bridge or tunnel connection. Such a project could cost somewhere around 2–3 billion DKK. A decision has been made to extend the runway to . Construction start is expected late 2018. Unlike Nuuk Airport, the airport in Kangerlussuaq can serve large airliners, and remains the airline hub of Air Greenland, the flag carrier of Greenland. But Kangerlussuaq has very few inhabitants and is mainly a place to change plane. A move to Nuuk would eliminate the plane change for many travellers, but would require a runway expansion to around . The airline
City proper offices. These questionnaires ask for the country-specific definition of urban areas, rural areas and city proper. In its glossary, the Yearbook defines "city proper" as "a locality defined according to legal/political boundaries and an administratively recognized urban status that is usually characterized by some form of local government". In its data however, the United Nations Demographic Yearbook affords the individual countries considerable leeway over the definition of "city proper". The table titled "Population of capital cities and cities of 100 000 or more inhabitants" provides several country-specific definitions for "city proper" that diverge from the provided definition: These definitions are