|Distance||18 miles (29 km)|
|Average train duration||1 h 37 min|
|Average train ticket price||$5 (€4)|
|Train frequency||25 a day|
|Direct train||Yes, there are 25 direct trains a day|
Trains from Sarno to Naples International Airport cover the 18 miles (29 km) long trip and usually take around 1 h 37 min. Normally, there are 25 trains operating per day, including direct services available. You can get the cheapest train tickets for this route for as low as $5 (€4), but the average price of train tickets is $5 (€4).
Here are some other resources that might have the information you need