Distance Calculator

Distance from Portsmouth to Seaham

Distance between Portsmouth and Seaham is 450 kilometers (279 miles).
Driving distance from Portsmouth to Seaham is 537 kilometers (334 miles).

air 450 km
air 279 miles
car 537 km
car 334 miles

Distance Map Between Portsmouth and Seaham

Portsmouth, London, United KingdomSeaham, London, United Kingdom = 279 miles = 450 km.

How far is it between Portsmouth and Seaham

Portsmouth is located in United Kingdom with (50.799,-1.0913) coordinates and Seaham is located in United Kingdom with (54.839,-1.3458) coordinates. The calculated flying distance from Portsmouth to Seaham is equal to 279 miles which is equal to 450 km.

If you want to go by car, the driving distance between Portsmouth and Seaham is 536.93 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 04 hours 47 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 87 km.

City/PlaceLatitude and LongitudeGPS Coordinates
Portsmouth 50.799, -1.0913 50° 47´ 56.3640'' N
1° 5´ 28.5000'' W
Seaham 54.839, -1.3458 54° 50´ 20.5080'' N
1° 20´ 44.7000'' W

Estimated Travel Time Between Portsmouth and Seaham

Average SpeedTravel Time
30 mph (48 km/h) 11 hours 11 minutes
40 mph (64 km/h) 08 hours 23 minutes
50 mph (80 km/h) 06 hours 42 minutes
60 mph (97 km/h) 05 hours 32 minutes
70 mph (112 km/h) 04 hours 47 minutes
75 mph (120 km/h) 04 hours 28 minutes
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