(near Roseau ), Dominica 5 11,288.6 miles (18,167.2 km) Grantley Adams International Airport (BGI) Bridgetown , Barbados 6 11,287.3 miles (18,165.2 km) Gerald's Airport (MNI) Montserrat , British West Indies . Code formerly used for the destroyed W.H. Bramble (Blackburne) Airport . 7 11,282.7 miles (18,157.8 km) Canefield Airport (DCF) Canefield