トルクメニスタンの国土面積は
Its longest border is with the Caspian Sea (1,786 km). The other borders are with Iran (to the south, 992 km), Afghanistan (to the south, 744 km), Uzbekistan (to the north and east, 1,621 km) and Kazakhstan (to the north, 379 km). Turkmenistan is slightly larger than California in territory, occupying 488,100 km². By area Turkmenistan ranks fourth among the former Soviet republics, after Russia, Kazakhstan, and Ukraine. The country's greatest extent from west to east is 1,100 km, and its greatest north-to-south distance is 650 km.
488,100 km²