Originally Posted by DeanV

Can anyone tell me if this routing is valid?

YYZ-TPE (STOP)
TPE-IST-ZAG (STOP)
ZAG-VIE (STOP)
VIE-ORD-YYZ

I understand the city pair mileage for YYZ-TPE is 10544. Checking great circle mapper the total mileage is 18787, but the routing after TPE adds up to 11271. Are there any published routes in this that might work in my favour?

Should I just call?

Thanks!