Distance from Portsmouth to Herndon

Distance between Portsmouth and Herndon is 256 kilometers (159 miles).
Driving distance from Portsmouth to Herndon is 336 kilometers (209 miles).

256 km

159 miles

336 km

209 miles

Distance Map Between Portsmouth and Herndon

Portsmouth, Richmond, United States ↔ Herndon, Richmond, United States = 159 miles = 256 km.

How far is it between Portsmouth and Herndon

Portsmouth is located in United States with (36.8354,-76.2983) coordinates and Herndon is located in United States with (38.9696,-77.3861) coordinates. The calculated flying distance from Portsmouth to Herndon is equal to 159 miles which is equal to 256 km.

If you want to go by car, the driving distance between Portsmouth and Herndon is 336.22 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 03 hours 00 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 80 km.

City/Place	Latitude and Longitude	GPS Coordinates
Portsmouth	36.8354, -76.2983	36° 50´ 7.5480'' N 76° 17´ 53.7720'' W
Herndon	38.9696, -77.3861	38° 58´ 10.3800'' N 77° 23´ 9.9600'' W

Estimated Travel Time Between Portsmouth and Herndon

Average Speed	Travel Time
30 mph (48 km/h)	07 hours 00 minutes
40 mph (64 km/h)	05 hours 15 minutes
50 mph (80 km/h)	04 hours 12 minutes
60 mph (97 km/h)	03 hours 27 minutes
70 mph (112 km/h)	03 hours 00 minutes
75 mph (120 km/h)	02 hours 48 minutes

Portsmouth, Richmond, United States

Related Distances from Portsmouth

Cities	Distance
Portsmouth 2 to Harrisonburg	366 km
Portsmouth 2 to Herndon	336 km
Portsmouth 2 to Cave Spring	465 km
Portsmouth 2 to Highland Springs	145 km
Portsmouth 2 to Mechanicsville	153 km

Herndon, Richmond, United States

Related Distances to Herndon

Cities	Distance
Vienna 2 to Herndon	16 km
Springfield 6 to Herndon	39 km
Reston to Herndon	5 km
Lincolnia to Herndon	41 km
Lake Ridge to Herndon	46 km