# How far is Hay River from Fort Smith?

The distance between Fort Smith (Fort Smith Airport) and Hay River (Hay River/Merlyn Carter Airport) is 143 miles / 229 kilometers / 124 nautical miles.

The driving distance from Fort Smith (YSM) to Hay River (YHY) is 171 miles / 275 kilometers, and travel time by car is about 5 hours 21 minutes.

143
Miles
229
Kilometers
124
Nautical miles

## Distance from Fort Smith to Hay River

There are several ways to calculate the distance from Fort Smith to Hay River. Here are two standard methods:

Vincenty's formula (applied above)
• 142.509 miles
• 229.346 kilometers
• 123.837 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
• 142.026 miles
• 228.568 kilometers
• 123.417 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 Fort Smith to Hay River?

The estimated flight time from Fort Smith Airport to Hay River/Merlyn Carter Airport is 46 minutes.

## Flight carbon footprint between Fort Smith Airport (YSM) and Hay River/Merlyn Carter Airport (YHY)

On average, flying from Fort Smith to Hay River generates about 46 kg of CO2 per passenger, and 46 kilograms equals 101 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Fort Smith to Hay River

See the map of the shortest flight path between Fort Smith Airport (YSM) and Hay River/Merlyn Carter Airport (YHY).

## Airport information

Origin Fort Smith Airport
City: Fort Smith