Distance Calculator

Distance from South Riding to Portsmouth

Distance between South Riding and Portsmouth is 255 kilometers (158 miles).
Driving distance from South Riding to Portsmouth is 329 kilometers (204 miles).

air 255 km
air 158 miles
car 329 km
car 204 miles

Distance Map Between South Riding and Portsmouth

South Riding, Richmond, United StatesPortsmouth, Richmond, United States = 158 miles = 255 km.

How far is it between South Riding and Portsmouth

South Riding is located in United States with (38.9209,-77.5039) coordinates and Portsmouth is located in United States with (36.8354,-76.2983) coordinates. The calculated flying distance from South Riding to Portsmouth is equal to 158 miles which is equal to 255 km.

If you want to go by car, the driving distance between South Riding and Portsmouth is 328.98 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 02 hours 56 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 74 km.

City/PlaceLatitude and LongitudeGPS Coordinates
South Riding 38.9209, -77.5039 38° 55´ 15.3840'' N
77° 30´ 13.9680'' W
Portsmouth 36.8354, -76.2983 36° 50´ 7.5480'' N
76° 17´ 53.7720'' W

Estimated Travel Time Between South Riding and Portsmouth

Average SpeedTravel Time
30 mph (48 km/h) 06 hours 51 minutes
40 mph (64 km/h) 05 hours 08 minutes
50 mph (80 km/h) 04 hours 06 minutes
60 mph (97 km/h) 03 hours 23 minutes
70 mph (112 km/h) 02 hours 56 minutes
75 mph (120 km/h) 02 hours 44 minutes
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