How far is Riga from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Riga (Riga International Airport) is 3976 miles / 6399 kilometers / 3455 nautical miles.

Distance from Portsmouth to Riga

There are several ways to calculate the distance from Portsmouth to Riga. Here are two standard methods:

Vincenty's formula (applied above)

• 3976.379 miles
• 6399.361 kilometers
• 3455.379 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

• 3964.929 miles
• 6380.934 kilometers
• 3445.429 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 Portsmouth to Riga?

The estimated flight time from Portsmouth International Airport at Pease to Riga International Airport is 8 hours and 1 minutes.

What is the time difference between Portsmouth and Riga?

The time difference between Portsmouth and Riga is 7 hours. Riga is 7 hours ahead of Portsmouth.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Riga International Airport (RIX)

On average, flying from Portsmouth to Riga generates about 453 kg of CO2 per passenger, and 453 kilograms equals 1 000 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portsmouth to Riga

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Riga International Airport (RIX).

Airport information

Origin	Portsmouth International Airport at Pease
City:	Portsmouth, NH
Country:	United States
IATA Code:	PSM
ICAO Code:	KPSM
Coordinates:	43°4′40″N, 70°49′23″W

Destination	Riga International Airport
City:	Riga
Country:	Latvia
IATA Code:	RIX
ICAO Code:	EVRA
Coordinates:	56°55′24″N, 23°58′15″E