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How far is Helena, MT, from Crescent City, CA?

The distance between Crescent City (Del Norte County Airport) and Helena (Helena Regional Airport) is 693 miles / 1115 kilometers / 602 nautical miles.

The driving distance from Crescent City (CEC) to Helena (HLN) is 991 miles / 1595 kilometers, and travel time by car is about 18 hours 55 minutes.

Del Norte County Airport – Helena Regional Airport

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693
Miles
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1115
Kilometers
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602
Nautical miles

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Distance from Crescent City to Helena

There are several ways to calculate the distance from Crescent City to Helena. Here are two standard methods:

Vincenty's formula (applied above)
  • 692.871 miles
  • 1115.068 kilometers
  • 602.089 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
  • 691.526 miles
  • 1112.903 kilometers
  • 600.920 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 Crescent City to Helena?

The estimated flight time from Del Norte County Airport to Helena Regional Airport is 1 hour and 48 minutes.

Flight carbon footprint between Del Norte County Airport (CEC) and Helena Regional Airport (HLN)

On average, flying from Crescent City to Helena generates about 124 kg of CO2 per passenger, and 124 kilograms equals 273 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Crescent City to Helena

See the map of the shortest flight path between Del Norte County Airport (CEC) and Helena Regional Airport (HLN).

Airport information

Origin Del Norte County Airport
City: Crescent City, CA
Country: United States Flag of United States
IATA Code: CEC
ICAO Code: KCEC
Coordinates: 41°46′48″N, 124°14′13″W
Destination 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