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How far is Redding, CA, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Redding (Redding Municipal Airport) is 666 miles / 1072 kilometers / 579 nautical miles.

The driving distance from Helena (HLN) to Redding (RDD) is 1076 miles / 1732 kilometers, and travel time by car is about 18 hours 36 minutes.

Helena Regional Airport – Redding Municipal Airport

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666
Miles
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1072
Kilometers
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579
Nautical miles

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Distance from Helena to Redding

There are several ways to calculate the distance from Helena to Redding. 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 Helena to Redding?

The estimated flight time from Helena Regional Airport to Redding Municipal Airport is 1 hour and 45 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and Redding Municipal Airport (RDD)

On average, flying from Helena to Redding 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 Helena to Redding

See the map of the shortest flight path between Helena Regional Airport (HLN) and Redding Municipal Airport (RDD).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W
Destination Redding Municipal Airport
City: Redding, CA
Country: United States Flag of United States
IATA Code: RDD
ICAO Code: KRDD
Coordinates: 40°30′32″N, 122°17′34″W