Time 58 minutes. of which we will count 50 minutes. cause in the first 8 minutes the the orders for scramble and intercept MUST have been given. And the interceptors are airborne in those 8 first minutes.
So we will translate those 50 minutes to seconds:
60x50=3000
So we have 3000 second.. and per every second high speed interceptor would move that 700m (almost half mile)
700x3000=2100000
2,1 million meters could have those interceptor moved in that time.. this is roughly 3-4 more than the captured planes could..
This means that fighter could have gone as far as 2100km away from the base. (almost 1313 miles.)
They had plenty time to catch any plane they wanted, and also as the "tranpodders" of the highjacked planes were turned of, it would have been easy task for any ground radar operator to find the right targets.
And interceptor could have done BVR kills with AIM-120 missiles 50 miles / 80km away..



