Floyd Lewellen's car is a Honda N600, the first Honda car officially imported into the US (starting with Hawaii). Yoshio Mizamura's henchmen drive a 2nd generation Datsun 200SX coupe.
The title is based on the old proverb: "All roads lead to Rome."
First of nine roles for Elissa Dulce Hoopai on the original series Magnum, P.I. (1980), seven of them as the same character, Rosine. She also had one guest role on the reboot series Magnum P.I. (2018).
Fourth wall is broken: While outside the airport the client knows its Magnum's car, he responds "How did you know this is my car", then looks directly at the camera and smiles.
Seth Sakai also played "Ito" in the season 2 premier "Billy Joe Bob"