Antigua and Barbuda 19 12,162.7 miles (19,574.0 km) Antonio (Nery) Juarbe Pol Airport (ARE) Arecibo, Puerto Rico 20 12,157.0 miles (19,564.8 km) Gerald's Airport (MNI) Montserrat , British West Indies . Code formerly used for the destroyed W.H. Bramble (Blackburne) Airport . 21 12,149.5 miles (19,552.8 km) Mercedita Airport (PSE) Ponce,