Nonstop flight route between Abilene, Texas, United States and Helena, Montana, United States:
Departure Airport:

Arrival Airport:

Distance from DYS to HLN:
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- About this route
- DYS Airport Information
- HLN Airport Information
- Facts about DYS
- Facts about HLN
- Map of Nearest Airports to DYS
- List of Nearest Airports to DYS
- Map of Furthest Airports from DYS
- List of Furthest Airports from DYS
- Map of Nearest Airports to HLN
- List of Nearest Airports to HLN
- Map of Furthest Airports from HLN
- List of Furthest Airports from HLN
About this route:
A direct, nonstop flight between Dyess Air Force Base (DYS), Abilene, Texas, United States and Helena Regional Airport (HLN), Helena, Montana, United States would travel a Great Circle distance of 1,171 miles (or 1,885 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 relatively short distance between Dyess Air Force Base and Helena Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | DYS / KDYS |
Airport Names: |
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Location: | Abilene, Texas, United States |
GPS Coordinates: | 32°25'14"N by 99°51'16"W |
View all routes: | Routes from DYS |
More Information: | DYS Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | HLN / KHLN |
Airport Names: |
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Location: | Helena, Montana, United States |
GPS Coordinates: | 46°36'24"N by 111°58'58"W |
Area Served: | Helena, Montana |
Operator/Owner: | Helena Regional Airport Authority |
Airport Type: | Public |
Elevation: | 3877 feet (1,182 meters) |
# of Runways: | 3 |
View all routes: | Routes from HLN |
More Information: | HLN Maps & Info |
Facts about Dyess Air Force Base (DYS):
- On 19 November 1959, the United States Army conducted groundbreaking ceremonies at Dyess AFB for the battalion headquarters of the 5th Missile Battalion, 517th Artillery of the U.S.
- The 317th Airlift Group, an Air Mobility Command tenant unit, performs Lockheed Martin C-130J Super Hercules airlift missions with 28 aircraft assigned.
- In addition to being known as "Dyess Air Force Base", another name for DYS is "Dyess AFB".
- The base is named after Lt Col William Edwin Dyess, a native of Albany, Texas, who was captured by the Japanese on Bataan in April 1942.
- The 77th and 69th groups were units that trained reconnaissance personnel who later served overseas.
- The 96th Bombardment Wing moved to Dyess on 8 September 1957 and for a few years worked alongside the 341st.
- The closest airport to Dyess Air Force Base (DYS) is Abilene Regional Airport (ABI), which is located only 10 miles (16 kilometers) E of DYS.
- In 1942, the United States Army Air Forces built Tye Army Air Field, as it was popularly known, on the site of what is now known as Dyess AFB.
- The furthest airport from Dyess Air Force Base (DYS) is Sir Gaëtan Duval Airport (RRG), which is located 11,080 miles (17,831 kilometers) away in Rodrigues Island, Mauritius.
Facts about Helena Regional Airport (HLN):
- The furthest airport from Helena Regional Airport (HLN) is Sir Gaëtan Duval Airport (RRG), which is located 10,563 miles (17,000 kilometers) away in Rodrigues Island, Mauritius.
- Helena Regional Airport (HLN) has 3 runways.
- Helena Regional Airport covers 1,224 acres at an elevation of 3,877 feet.
- In addition to being known as "Helena Regional Airport", another name for HLN is "Helena Army Airfield".
- The closest airport to Helena Regional Airport (HLN) is Bert Mooney Airport (BTM), which is located 51 miles (83 kilometers) SSW of HLN.
- Helena Regional Airport is a public airport two miles northeast of Helena, in Lewis and Clark County, Montana.