Question: The base in which Afghan Jet International operates from is closest to which Afghani city?

Context paragraphs:
ThaiJet: Thai Jet International was an international passenger charter airline based in Bangkok, Thailand.  Its main base was Bangkok International Airport (BKK).

FAI rent-a-jet: FAI rent-a-jet AG (Flight Ambulance International) is an airline based in Germany.  It operates executive jet charter and air ambulance services, as well as aircraft leasing and management services.  FAI operates jet aircraft from its Nuremberg base for air ambulance and executive jet services.

Afghan Air Force: The Afghan Air Force (AAF; Pashto: دافغانستان هوائی ځواک ; Dari: قوای هوائی افغانستان), formerly the "Afghan National Army Air Corps", is the aerial warfare branch of the Afghan Armed Forces.  It is divided into three wings, with the 1st Wing at Kabul, the 2nd Wing at Kandahar and the 3rd Wing south at Shindand in western Afghanistan.  Lt. Gen. Mohammad Dawran serves as Chief of Staff of the Afghan Air Force and Major General Abdul Wahab Wardak is the Afghan Air Force Commander.  The command center of the Afghan Air Force is located at Kabul International Airport and the Shindand Air Base in Herat Province serves as the main training area.

OKCoin: OKCoin is a Bitcoin company in China with core product lines of a Bitcoin exchange, and a mobile consumer payment and lending app.  OKCoin Exchange China operates CNY/BTC spot pair with margin trading from its Beijing entity, while OKCoin International operates USD/BTC spot pair with margin trading and BTC/USD futures from its Singapore entity.

Arad International Airport: Arad International Airport (IATA: ARW, ICAO: LRAR) is located 4 km west of Arad, in western Romania, in the historical region of Crișana.  The airport is located only 60 km north of Timişoara Airport.  Arad International Airport also has a cargo terminal, the largest and most modern in western Romania.  It is located 250 km from Budapest and 300 km from Belgrad.  It’s located near the border with Hungary, only 30 km from the closest point for crossing the border - Turnu and 20 km away from the closest railway point for crossing the border - Curtici.  The airport also serves as the SMURD regional air ambulance base for the 5 western counties that form the region (Arad, Bihor, Timis, Hunedoara & Caras-Severin).  SMURD Arad operates 1 Eurocopter EC135 converted for the air ambulance role.  Arad Airport is directly connected to the A1 motorway (part of the Pan-European Corridor IV), one of the most important and heavily used motorways in Romania.

DOCARE: DOCARE International is a non-profit medical outreach program that brings health care to primitive and isolated people in remote areas of the Western Hemisphere.  DOCARE International has worked in countries such as Haiti, Guatemala, Peru, India, Malawi, and Nicaragua.  DOCARE International operates three permanent clinics, two Guatemala (San Andrés Itzapa and Tecpán Guatemala) and one in Chacraseca, Nigaragua.

Ariana Afghan Airlines: Ariana Afghan Airlines Co. Ltd. (Persian: هواپیمایی آریانا‎ ‎ , Pashto: آريانا افغان هوايي شرکت‎ ), also known as "Ariana", is the largest airline of Afghanistan and serves as the country's national carrier.  Founded in 1955, Ariana is the oldest airline of Afghanistan.  The company has its main base at Kabul International Airport, from where it operates domestically, and also provides international connections that link Afghanistan with China, Germany, India, Iran, Kuwait, Pakistan, Russia, Saudi Arabia, Tajikistan and Turkey.  The carrier is headquartered in Shāre Naw, Kabul, and it is wholly owned by the Afghan government.  Ariana Afghan Airlines has been on the list of air carriers banned in the European Union since  2006 (2006-) .

Salam International Investment Limited: Salam International Investment Ltd.  QSC (Public, QE:SIIS, DFM:SALAM) is a publicly-listed Qatari shareholding company.  Salam International operates through its subsidiaries in Qatar, the United Arab Emirates, Palestine, Kuwait, Saudi Arabia, Oman, Bahrain, Jordan and Lebanon.  The company is headquartered in Doha, Qatar.

Afghan Jet International: Afghan Jet International Airlines (Persian: هواپیمایی بین‌المللی افغان جت‎ ‎ ) is an Afghan airline.  It began operations in April 2014, and serves domestic destinations from its base at Hamid Karzai International Airport.

Hamid Karzai International Airport: Hamid Karzai International Airport (Persian: میدان هوائی بین المللی حامدکرزی‎ ‎ , Pashto: د حامدکرزی نړيوال هوائي ډګر‎ , IATA: KBL, ICAO: OAKB ), is located 5 km from the city center of Kabul in Afghanistan.  It serves as one of the nation's main international airports and as one of the largest military bases, capable of housing over one hundred aircraft.  It was previously named Kabul International Airport and locally as Khwaja Rawash Airport, though it continues to be officially known by some airliners by the latter name.  The airport was given its new name in 2014 in honor of former President Hamid Karzai.  The decision was made by the National Assembly of Afghanistan and the Cabinet of President Ashraf Ghani.

Supporting paragraphs: Afghan Jet International Hamid Karzai International Airport
Answer: Kabul