We will be driving from Nafpoli to Athens the morning of Friday May 4th, 2018 after most of a week in the Peloponnese. I can return my Sixt rental car either at the airport (driving past Athens and taking transportation back to Athens), OR I can return the car to Sixt's Peristeri location on Leof. Kifisou near Leof Athinon.
My question #1, how difficult to navigate to the Peristeri location from Nafpoli? I will have been in country 9 days by then and a little comfortable driving (I have driven all over western Europe past 15 years). Appears to be a pretty straight forward route on my google maps (will have good GPS).
My question #2, from the Peristeri location, best way to transport into the Philippos Hotel Athens? I believe it is in the Koukaki area near the Acropolis.