11,514.5 miles (18,530.8 km) V.C. Bird International Airport (ANU) St. John's , Antigua , Antigua and Barbuda 21 11,499.3 miles (18,506.3 km) Gerald's Airport (MNI) Montserrat , British West Indies . Code formerly used for the destroyed W.H. Bramble (Blackburne) Airport . 22 11,498.0 miles (18,504.3 km) Codrington Airport (BBQ) Codrington