From here, the lines continue west, extending into a knot of European destinations, among them Athens, Rome, and Copenhagen--Thai is still today virtually the only Asian presence at Kastrup. Despite the angularity of the route lines, the relative positions of cities are generally true, with the lone exception of Muscat, shown somewhere north of Baghdad in an offshoot of the link between Karachi and Paris.
Closer to the center of its world, the map's thick marks show multiple links across East and South Asia, with dense operations particularly in Hong Kong, Taipei and Singapore as well as smaller cities from Kathmandu to Osaka, as well as four cities in Australia. Thai Airways lived up to the "International" in its name, years before it reached New York and Los Angeles.
Route map from the abundant archives of flightglobal.com