Originally Posted by katan

It has to come down to the O&D traffic to CPH. If you are connecting through to somewhere else in Europe, then they either have good direct options or a fairly large partner site at FRA. Where FRA doesn't reach (the obscure Scandinavian locations) are served out of OSL and ARN anyway.

I fly to OSL to parts of Norway about 3 times a year, always in through EWR-OSL No matter what it is OSL since Norway is lightly served. No complaints - at least you receive miles now for domestic Norwegian flights.