miles (19,618.3 km) Terrance B. Lettsome International Airport (EIS) Beef Island (near Tortola ), British Virgin Islands 11 12,182.7 miles (19,606.1 km) Gerald's Airport (MNI) Montserrat , British West Indies . Code formerly used for the destroyed W.H. Bramble (Blackburne) Airport . 12 12,164.3 miles (19,576.6 km) Charlotte Amalie Harbor Seaplane