The magnitude of the region which US occupies is 9,826,675 km2.
We don't use unit kilometer here because the unit can be used only when we consider length of boundaries, length of roads etc.
4.4 billion kilometers is 4,400 million kilometers.
1,335,470 kilometers
2,000 meters=2 kilometers
228.5 million km
Kilometers are units of one thousand meters, so they measure distance. Items that would be measured in kilometers are road lengths or air miles traveled.
4300 kilometers or 2671.90 miles.
595km by road.
About 1295km by road.
776.9km by road.
4331km by road.
About 28km by road.
1240km by road.
About 1345
About 45km by road.
About 206km by road.
About 385km by road.
116km by road.