How far is Meridian, MS, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Meridian (Meridian Regional Airport) is 1575 miles / 2534 kilometers / 1368 nautical miles.
The driving distance from Helena (HLN) to Meridian (MEI) is 1959 miles / 3153 kilometers, and travel time by car is about 36 hours 14 minutes.
Helena Regional Airport – Meridian Regional Airport
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Distance from Helena to Meridian
There are several ways to calculate the distance from Helena to Meridian. Here are two standard methods:
Vincenty's formula (applied above)- 1574.714 miles
- 2534.257 kilometers
- 1368.389 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1573.300 miles
- 2531.981 kilometers
- 1367.160 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Helena to Meridian?
The estimated flight time from Helena Regional Airport to Meridian Regional Airport is 3 hours and 28 minutes.
What is the time difference between Helena and Meridian?
The time difference between Helena and Meridian is 1 hour. Meridian is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Meridian Regional Airport (MEI)
On average, flying from Helena to Meridian generates about 184 kg of CO2 per passenger, and 184 kilograms equals 406 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Helena to Meridian
See the map of the shortest flight path between Helena Regional Airport (HLN) and Meridian Regional Airport (MEI).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Meridian Regional Airport |
|---|---|
| City: | Meridian, MS |
| Country: | United States |
| IATA Code: | MEI |
| ICAO Code: | KMEI |
| Coordinates: | 32°19′57″N, 88°45′6″W |