Nonstop flight route between Gaithersburg, Maryland, United States and Tehran, Iran:
Departure Airport:
(39°10'5"N by 77°9'57"W)
Arrival Airport:
(35°41'21"N by 51°18'48"E)
Distance from GAI to THR:
6,310.83 miles (10,156.27 km)
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Jump to:
- About this route
- GAI Airport Information
- THR Airport Information
- Facts about GAI
- Facts about THR
- Map of Nearest Airports to GAI
- List of Nearest Airports to GAI
- Map of Furthest Airports from GAI
- List of Furthest Airports from GAI
- Map of Nearest Airports to THR
- List of Nearest Airports to THR
- Map of Furthest Airports from THR
- List of Furthest Airports from THR
About this route:
A direct, nonstop flight between Montgomery County Airpark (GAI), Gaithersburg, Maryland, United States and Mehrabad Airport (THR), Tehran, Iran would travel a Great Circle distance of 6,311 miles (or 10,156 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Montgomery County Airpark and Mehrabad Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Montgomery County Airpark and Mehrabad Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | GAI / KGAI |
| Airport Name: | Montgomery County Airpark |
| Location: | Gaithersburg, Maryland, United States |
| GPS Coordinates: | 39°10'5"N by 77°9'57"W |
| Operator/Owner: | Montgomery County Revenue Authority |
| Airport Type: | Public |
| Elevation: | 539 feet (164 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from GAI |
| More Information: | GAI Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | THR / OIII |
| Airport Names: |
|
| Location: | Tehran, Iran |
| GPS Coordinates: | 35°41'21"N by 51°18'48"E |
| Area Served: | Tehran, Karaj |
| Airport Type: | Joint (Public/Military) |
| Elevation: | 3962 feet (1,208 meters) |
| # of Runways: | 3 |
| View all routes: | Routes from THR |
| More Information: | THR Maps & Info |
Facts about Montgomery County Airpark (GAI):
- Because of Montgomery County Airpark's relatively low elevation of 539 feet, planes can take off or land at Montgomery County Airpark at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- The furthest airport from Montgomery County Airpark (GAI) is Margaret River Airport (MGV), which is located 11,667 miles (18,776 kilometers) away in Margaret River, Western Australia, Australia.
- Montgomery County Airpark (GAI) currently has only 1 runway.
- The closest airport to Montgomery County Airpark (GAI) is College Park Airport (CGS), which is located only 18 miles (30 kilometers) SE of GAI.
Facts about Mehrabad Airport (THR):
- The airport has the head offices of Iran Air and the Iran Civil Aviation Organization.
- The closest airport to Mehrabad Airport (THR) is Tehran Imam Khomeini International Airport (IKA), which is located 21 miles (34 kilometers) SSW of THR.
- Mehrabad Airport handled 13,163,368 passengers last year.
- In addition to being known as "Mehrabad Airport", another name for THR is "فرودگاه مهرآباد".
- An aircraft engineering and maintenance company Fajr Ashian, has a maintenance hangar adjacent to main airport premises.
- Mehrabad Airport (THR) has 3 runways.
- The furthest airport from Mehrabad Airport (THR) is Totegegie Airport (GMR), which is located 11,490 miles (18,491 kilometers) away in Mangareva, Gambier Islands, French Polynesia.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 18.42 miles (29.64 km) SE | College Park Airport (CGS) | College Park, Maryland, United States |     |
| 2 | 20.51 miles (33.01 km) NNW | Frederick Municipal Airport (FDK) | Frederick, Maryland, United States | |
| 3 | 21.89 miles (35.23 km) WSW | Leesburg Executive Airport (JYO) | Leesburg, Virginia, United States | |
| 4 | 21.93 miles (35.30 km) SW | Washington Dulles International Airport (IAD) | Washington, D.C. / Virginia, United States | |
| 5 | 22.53 miles (36.27 km) ESE | Tipton Airport (FME) | Odenton, Maryland, United States | |
| 6 | 22.90 miles (36.85 km) SSE | Ronald Reagan Washington National Airport (DCA) | Arlington County, Virginia (near Washington, D.C.), United States | |
| 7 | 23.89 miles (38.45 km) SSE | Bolling Air Force Base (BOF) | Washington, D.C., United States | |
| 8 | 26.66 miles (42.91 km) E | Baltimore/Washington International Thurgood Marshall Airport (BWI) | between Baltimore, Maryland and Washington, D.C., United States | |
| 9 | 29.46 miles (47.42 km) SSE | Andrews Field (ADW) | Camp Springs, Maryland, United States | |
| 10 | 31.33 miles (50.42 km) S | Davison Army Airfield (DAA) | Fort Belvoir, Virginia, United States | |
| 11 | 35.65 miles (57.38 km) ESE | Lee Airport (ANP) | Annapolis, Maryland, United States | |
| 12 | 36.14 miles (58.17 km) SSW | Manassas Regional Airport (HEF) | Manassas, Virginia, United States | |
| 13 | 36.14 miles (58.17 km) SSW | Manassas Regional Airport (MNZ) | Manassas, Virginia, United States | |
| 14 | 41.68 miles (67.08 km) ENE | Martin State Airport (MTN) | Baltimore, Maryland, United States | |
| 15 | 46.66 miles (75.10 km) WNW | Eastern WV Regional Airport (MRB) | Martinsburg, West Virginia, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,666.70 miles (18,775.69 km) WSW | Margaret River Airport (MGV) | Margaret River, Western Australia, Australia | |
| 2 | 11,643.21 miles (18,737.88 km) WSW | Busselton Regional Airport (BQB) | Busselton, Western Australia, Australia | |
| 3 | 11,626.78 miles (18,711.44 km) WSW | Manjimup Airport (MJP) | Manjimup, Western Australia, Australia | |
| 4 | 11,618.29 miles (18,697.78 km) WSW | Bunbury Airport (BUY) | Bunbury, Western Australia, Australia | |
| 5 | 11,569.54 miles (18,619.33 km) WSW | Rottnest Airport (RTS) | Rottnest Island, Western Australia, Australia | |
| 6 | 11,562.29 miles (18,607.65 km) WSW | Albany Airport (ALH) | Albany, Western Australia, Australia | |
| 7 | 11,557.61 miles (18,600.12 km) WSW | Jandakot Airport (JAD) | Jandakot, Western Australia, Australia | |
| 8 | 11,547.00 miles (18,583.04 km) WSW | Perth Airport (PER) | Perth, Western Australia, Australia | |
| 9 | 11,531.89 miles (18,558.73 km) WSW | Katanning Airport (KNI) | Katanning, Western Australia, Australia | |
| 10 | 11,512.82 miles (18,528.04 km) SW | Jurien Bay Airport (JUR) | Jurien Bay, Western Australia, Australia | |
| 11 | 11,450.47 miles (18,427.70 km) SW | Geraldton Airport (GET) | Geraldton, Western Australia, Australia | |
| 12 | 11,417.88 miles (18,375.26 km) SW | Morawa Airport (MWB) | Morawa, Western Australia, Australia | |
| 13 | 11,407.68 miles (18,358.84 km) SW | Kalbarri Airport (KAX) | Kalbarri, Western Australia, Australia | |
| 14 | 11,401.53 miles (18,348.94 km) SW | Mullewa Airport (MXU) | Mullewa, Western Australia, Australia | |
| 15 | 11,328.35 miles (18,231.17 km) SW | Shark Bay Airport (MJK) | Monkey Mia, Western Australia, Australia | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 20.93 miles (33.69 km) SSW | Tehran Imam Khomeini International Airport (IKA) | Tehran, Iran | |
| 2 | 88.29 miles (142.09 km) NE | Bishe Kola Air Base (BSM) | Amol, Iran | |
| 3 | 123.59 miles (198.90 km) ENE | Sari Dasht-e Naz International Airport (SRY) | Sari, Iran | |
| 4 | 165.72 miles (266.69 km) WSW | Hamadan Airport (HDM) | Hamadan, Iran | |
| 5 | 205.41 miles (330.58 km) S | Isfahan International Airport (IFN) | Isfahan, Iran | |
| 6 | 232.33 miles (373.89 km) SW | Khorramabad Airport (KHD) | Khorramabad, Iran | |
| 7 | 235.91 miles (379.66 km) S | Shahrekord International Airport (CQD) | Shahrekord, Iran | |
| 8 | 242.04 miles (389.52 km) NW | Ardabil Airport (ADU) | Ardabil, Iran | |
| 9 | 252.77 miles (406.79 km) WSW | Shahid Ashrafi Esfahani Airport (KSH) | Kermanshah, Iran | |
| 10 | 252.96 miles (407.11 km) NNW | Lankaran International Airport (LLK) | Lankaran, Azerbaijan | |
| 11 | 280.02 miles (450.64 km) SW | Dezful Airport (DEF) | Dezful, Iran | |
| 12 | 311.89 miles (501.93 km) SE | Shahid Sadooghi Airport (AZD) | Yazd, Iran | |
| 13 | 316.01 miles (508.56 km) NNE | Turkmenbashi International Airport (KRW) | Türkmenbaşy, Turkmenistan, Turkmenistan | |
| 14 | 327.41 miles (526.92 km) WNW | Tabriz International Airport (TBZ) | Tabriz, Iran | |
| 15 | 334.64 miles (538.55 km) SSW | Ahwaz International Airport (AWZ) | Ahwaz, Iran | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,489.90 miles (18,491.16 km) SSE | Totegegie Airport (GMR) | Mangareva, Gambier Islands, French Polynesia | |
| 2 | 11,245.16 miles (18,097.29 km) SSE | Tureira Airport (ZTA) | Tureia, Tuamotus, French Polynesia | |
| 3 | 11,160.65 miles (17,961.27 km) WSW | Mataveri International Airport (IPC) | Easter Island, Chile | |
| 4 | 11,147.68 miles (17,940.41 km) SSE | Nukutavake Airport (NUK) | Nukutavake, Tuamotus, French Polynesia | |
| 5 | 11,131.57 miles (17,914.48 km) SSE | Pukarua Airport (PUK) | Pukarua, Tuamotus, French Polynesia | |
| 6 | 11,007.27 miles (17,714.45 km) SE | Hao Airport (HOI) | Hao, Tuamotu Island, French Polynesia | |
| 7 | 10,871.27 miles (17,495.58 km) SSE | Fangatau Airport (FGU) | Fangatau, French Polynesia | |
| 8 | 10,835.59 miles (17,438.14 km) SE | Raroia Airport (RRR) | Raroia, French Polynesia | |
| 9 | 10,827.77 miles (17,425.56 km) SE | Makemo Airport (MKP) | Makemo, French Polynesia | |
| 10 | 10,802.77 miles (17,385.32 km) SE | Anaa Airport (AAA) | Anaa, Tuamotus, French Polynesia | |
| 11 | 10,795.71 miles (17,373.97 km) ESE | Rurutu Airport (RUR) | Rurutu, French Polynesia | |
| 12 | 10,724.11 miles (17,258.73 km) SE | Fakarava Airport (FAV) | Fakarava, Society Islands, French Polynesia | |
| 13 | 10,668.11 miles (17,168.62 km) SE | Apataki Airport (APK) | Apataki, French Polynesia | |
| 14 | 10,644.67 miles (17,130.89 km) SE | Fa'a'ā International Airport (PPT) | Papeete, Tahiti, French Polynesia | |
| 15 | 10,641.76 miles (17,126.21 km) SE | Arutua Airport (AXR) | Arutua, Tuamotus, French Polynesia | |