Search for airport 
Drag & zoom map & click on airport
Results for Countries/Norway NO/Akershus :

ENGM Oslo/Gardermoen ( Oslo | Norway )
ENKJ Kjeller ( Lillestrom | Norway )
ENSI Ski/Sondre Ski Gard ( Ski | Norway )
ENDH Drammen/Sykehuset Buskerud Hf ( Drammen | Norway )
ENTX Taraldrud / Police Readiness Center (Helipad) ( Norway )