Pakse - SPG has the following conversions with these airlines.
Keep in mind that if you transfer 20K you get a 5K bonus, so your 20K+5K=25K.
Double that on Qantas!

Airline Conversion Rate
Starpoints to Miles/Points)

Air Canada Aeroplan 1:1
Air FranceSM Frequence Plus 1:1
Air New Zealand Air Points 1:2
Alaska Airlines Mileage Plan 1:1
Alitalia MilleMiglia 1:1
All Nippon Airways ANA Mileage Club 1:1
America West Airlines FlightFund 1:1
American Airlines® AAdvantage 1:1
Asiana Airlines Bonus Club 1:1
British Airways Executive Club 1:1
Cathay Pacific® Asia Miles 1:1
Continental Airlines® OnePass 1:1
Delta Air Lines SkyMiles 1:1
El Al Israel Airlines Frequent Flyer Club No transfer option
Emirates and Sri Lankan Airlines Skywards 1:1
EVA Air Evergreen Club 1:1
Japan Airlines JAL Mileage Bank 2:1
KLM Royal Dutch Airlines Flying Dutchman 2:1
LanChile LanPass 1:2
Lufthansa Miles & More No transfer option
Mexicana® Frecuenta 1:1
Northwest Airlines World Perks 1:1
Qantas Airways Frequent Flyer 1:2
Qualiflyer 1:1
Saudi Arabian Airlines Alfursan 1:1
Thai Airways International Royal Orchid Plus 1:1
United Airlines Mileage Plus 1:1
US Airways Dividend Miles 1:1
Virgin Atlantic Airways Flying Club 1:1