Distance to PET  =   D x H                   where   D = 1,973nm

                                   (O + H)                              H = 385 kts

                                                                                    O = 430 kts

                                                                             O + H  = 815

 

Distance to PET  =  1,973 x 385          = 932 nm at 430 kts = 130 minutes.   

                                                815