How far is Helena, MT, from Redding, CA?
The distance between Redding (Redding Municipal Airport) and Helena (Helena Regional Airport) is 666 miles / 1072 kilometers / 579 nautical miles.
The driving distance from Redding (RDD) to Helena (HLN) is 1076 miles / 1732 kilometers, and travel time by car is about 18 hours 37 minutes.
Redding Municipal Airport – Helena Regional Airport
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Distance from Redding to Helena
There are several ways to calculate the distance from Redding to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 666.236 miles
- 1072.204 kilometers
- 578.944 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- 665.374 miles
- 1070.816 kilometers
- 578.194 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 Redding to Helena?
The estimated flight time from Redding Municipal Airport to Helena Regional Airport is 1 hour and 45 minutes.
What is the time difference between Redding and Helena?
The time difference between Redding and Helena is 1 hour. Helena is 1 hour ahead of Redding.
Flight carbon footprint between Redding Municipal Airport (RDD) and Helena Regional Airport (HLN)
On average, flying from Redding to Helena generates about 121 kg of CO2 per passenger, and 121 kilograms equals 266 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Redding to Helena
See the map of the shortest flight path between Redding Municipal Airport (RDD) and Helena Regional Airport (HLN).
Airport information
| Origin | Redding Municipal Airport |
|---|---|
| City: | Redding, CA |
| Country: | United States  |
| IATA Code: | RDD |
| ICAO Code: | KRDD |
| Coordinates: | 40°30′32″N, 122°17′34″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |