Antigua and Barbuda:
153 km
Arctic Ocean:
45,389 km
Argentina:
4,989 km
Armenia:
0 km (landlocked)
Aruba:
68.5 km
Ashmore and Cartier Islands:
74.1 km
Atlantic Ocean:
111,866 km
Australia:
25,760 km
Austria:
0 km (landlocked)
Azerbaijan:
0 km (landlocked); note - Azerbaijan borders the Caspian
Sea (800 km, est.)