Distance to PET  =   D x H                   where   D = 1,760nm

                                 (O + H)                              H = 385 kts

                                                                        O = 435 kts

                                                                         O + H  = 820

 

Distance to PET  =  1,760 x 385          = 826 nm at 435 kts = 114 minutes.   

                                        820