Distance Calculator

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).

air 256 km
air 159 miles
car 336 km
car 209 miles

Distance Map Between Portsmouth and Herndon

Portsmouth, Richmond, United StatesHerndon, 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/PlaceLatitude and LongitudeGPS 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 SpeedTravel 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
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