Route from Portsmouth to Welwyn Hatfield by car

From: Portsmouth, County: Hampshire, England
To: Welwyn Hatfield, County: Hertfordshire, England
93 mi
1 h 35 min
Fuel consumption:
Fuel cost:
Passengers:



How many miles from Portsmouth to Welwyn Hatfield?

How far is from Portsmouth to Welwyn Hatfield?


The driving distance between Portsmouth and Welwyn Hatfield is 93 miles. Travel time is 1 hour and 35 minutes by car.






93 mi 1 h 35 min
1.
Head east on Gruneisen Road
835 ft
2.
Turn left onto Twyford Avenue (A3)
810 ft
3.
Enter the roundabout and take the 2nd exit onto A3
51 ft
4.
Exit the roundabout onto A3
1.2 mi
5.
Enter Portsbridge Roundabout and take the 3rd exit
0.3 mi
6.
Exit the roundabout
0.4 mi
7.
Continue onto A27
2.2 mi
8.
Keep left at the fork
503 ft
9.
Continue onto A27
817 ft
10.
Continue onto A3(M)
16.7 mi
11.
Enter Ham Barn Roundabout and take the 2nd exit onto Liphook and Petersfield Bypass (A3)
215 ft
12.
Exit the roundabout onto Liphook and Petersfield Bypass (A3)
5.3 mi
13.
Continue onto Portsmouth Road (A3)
2.3 mi
14.
Continue onto Tunnel Way (A3)
3 mi
15.
Continue onto Portsmouth Road (A3)
3.1 mi
16.
Continue onto Milford By-Pass (A3)
1.3 mi
17.
Continue onto Guildford and Godalming Bypass (A3)
5.3 mi
18.
Continue onto Midleton Road (A3)
7.8 mi
19.
Continue onto Portsmouth Road (A3)
924 ft
20.
Take the ramp on the left
0.3 mi
21.
Merge right onto Portsmouth Road (A3)
0.6 mi
22.
Take the ramp on the left onto A3
1086 ft
23.
Enter Wisley Interchange and take the 1st exit onto M25
32 ft
24.
Exit the roundabout onto M25
28.8 mi
25.
Keep right onto M25
4.9 mi
26.
Take the ramp on the left towards A405: (M1 South)
0.4 mi
27.
Enter Bricket Wood Junction and take the 1st exit onto North Orbital Road (A405)
30 ft
28.
Exit the roundabout onto North Orbital Road (A405)
0.4 mi
29.
Enter the roundabout and take the 2nd exit onto North Orbital Road (A405)
237 ft
30.
Exit the roundabout onto North Orbital Road (A405)
0.6 mi
31.
Enter the roundabout and take the 2nd exit onto North Orbital Road (A405)
112 ft
32.
Exit the roundabout onto North Orbital Road (A405)
0.6 mi
33.
Enter Park Street Roundabout and take the 3rd exit onto North Orbital Road (A414)
457 ft
34.
Exit the roundabout onto North Orbital Road (A414)
1.9 mi
35.
Enter London Colney Roundabout and take the 2nd exit onto North Orbital Road (A414)
147 ft
36.
Exit the roundabout onto North Orbital Road (A414)
1.9 mi
37.
Keep left onto North Orbital Road (A414)
1 mi
38.
Enter Roehyde Interchange and take the 3rd exit onto Roehyde Way (A1001)
751 ft
39.
Exit the roundabout onto Roehyde Way (A1001)
0.8 mi
40.
Enter the roundabout and take the 1st exit onto South Way (A1001)
29 ft
41.
Exit the roundabout onto South Way (A1001)
0.7 mi
42.
Enter Travellers Lane Roundabout and take the 3rd exit onto South Way (A1001)
354 ft
43.
Exit the roundabout onto South Way (A1001)
0.4 mi
44.
You have arrived at your destination, on the left
0 ft



How much does it cost to drive from Portsmouth to Welwyn Hatfield?

The fuel cost by car depend on several factors such as the distance traveled, the driving conditions (traffic jam, slow driving, normal driving, race driving), fuel consumption of the vehicle, and the current price of fuel.

The trip with petrol fuel costs 16.2 £. In the above calculation, the petrol price is considered to be 143 pence per liter and the petrol consumption of the car is 37.5 miles per gallon.
For 2 passengers in carpooling, the cost of this trip is 8.1 £ (16.2/2) per passenger.
For 3 passengers in the car, the cost of this trip is 5.4 £ (16.2/3) per passenger.
For 4 passengers in the car, the cost of this trip are 4.05 £ (16.2/4) per passenger.


Fuel cost = (93.44 mi / 37.5 mpg) x 143 pence per liter = 16.2 £

In more detail, the result is obtained:

Fuel needed = Distance / Car fuel consumption = miles * 4.54609 / carConsumtion = 93.44 mi * 4.54609 / 37.5 mpg = 11.3 liters

Fuel needed = 11.3 lt

Fuel cost = Fuel needed x Price per liter = 11.3 liters x 143 pence per liter = 16.2 £

Fuel cost from Portsmouth to Welwyn Hatfield = 16.2 £

Why do I multiply miles by 4.54609?

Consumption is measured in miles per gallon. 37.5 mpg means that a car could travel 37.5 miles with a gallon petrol fuel. The price of fuel is in pence per liter. Gallons should be converted to liters so that the final fuel consumption on a trip is in liters. 1 gallon is 4.54609 liters, so multiply by 4.54609.


The trip with diesel fuel costs 10.2 £. In the above calculation, the diesel price is considered to be 151 pence per liter and the diesel consumption of the car is 62.7 mpg. For only one passenger the cost of the trip is 10.2 £.
For 2 passengers in carpooling, the cost of this trip is 5.1 £ (10.2/2) per passenger.
For 3 passengers in the car, the cost of this trip is 3.4 £ (10.2/3) per passenger.
For 4 passengers in the car, the cost of this trip is 2.55 £ (10.2/4) per passenger.