How far is Crescent City, CA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Crescent City (Del Norte County Airport) is 693 miles / 1115 kilometers / 602 nautical miles.
The driving distance from Helena (HLN) to Crescent City (CEC) is 994 miles / 1599 kilometers, and travel time by car is about 19 hours 0 minutes.
Helena Regional Airport – Del Norte County Airport
Search flights
Distance from Helena to Crescent City
There are several ways to calculate the distance from Helena to Crescent City. 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 Helena to Crescent City?
The estimated flight time from Helena Regional Airport to Del Norte County Airport is 1 hour and 48 minutes.
What is the time difference between Helena and Crescent City?
Flight carbon footprint between Helena Regional Airport (HLN) and Del Norte County Airport (CEC)
On average, flying from Helena to Crescent City 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 Helena to Crescent City
See the map of the shortest flight path between Helena Regional Airport (HLN) and Del Norte County Airport (CEC).
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 | Del Norte County Airport |
|---|---|
| City: | Crescent City, CA |
| Country: | United States |
| IATA Code: | CEC |
| ICAO Code: | KCEC |
| Coordinates: | 41°46′48″N, 124°14′13″W |