Are there nonstop flights from Kabul (KBL) to Guzara (HEA)?

Yes. Kam Air, Ariana Afghan Airlines fly this route. Flight time is about 1h 15m.

Kabul → Guzara

Kabul International Airport (KBL) to Herat - Khwaja Abdullah Ansari International Airport (HEA)・642 km

Nonstop flights available (2 airlines). Flight time about 1h 15m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.