Originally Posted by Jimgotkp
...the flight to Kathmandu will be tough if you want to add it to the RTW itinerary since you have to go towards one direction. Most if not all *A airlines that serve KTM are located east of Nepal (TG, AC, etc.) so you would most likely have to buy a separate ticket. Even if you were going towards the US first you wouldn't find any airline in the *A that serves KTM from the west.
Actually, with *A RTWs (unlike some other schemes), the 'go towards one direction' rule really only applies in regard to continents -- or, to be precise, the IATA 'travel conferences'. Within any one TC, you can zig and zag, forward and backward, up and down to your heart's content, so long as you obey the stopover / transit conditions. One major problem with this strategy, however, is that you can quickly burn up your mileage and/or segment quotas.
cheers,
Henry