How is milage calculated when you redeem a Oneworld Award? I've read that, even if you make a connection, the distance is calculated as if it were a direct flight. But what happens if no direct flight exists?

Here's my example:
DFW -> AMS (Stopover)
AMS -> BRU (Open Jaw)
CDG -> DFW

According to the Great Circle Mapper, that's 9966 miles, but no direct flights exists for DFW-AMS and AMS-BRU. Will this qualify for the 10k mile award?