Route from St Helens to Portsmouth by car

From: St Helens, County: Merseyside, England
To: Portsmouth, County: Hampshire, England
244 mi
4 h 4 min
Fuel consumption:
Fuel cost:
Passengers:



How many miles from St Helens to Portsmouth?

How far is from St Helens to Portsmouth?


The driving distance between St Helens and Portsmouth is 244 miles. Travel time is 4 hours and 4 minutes by car.






244 mi 4 h 4 min
1.
Head north
74 ft
2.
Turn left onto Garswood Street
162 ft
3.
Turn right onto College Street (A571)
0.4 mi
4.
Continue onto Haresfinch Road (A571)
0.4 mi
5.
Turn left onto Haresfinch View (A571)
691 ft
6.
Enter the roundabout and take the 2nd exit onto Green Leach Lane (A571)
57 ft
7.
Exit the roundabout onto Green Leach Lane (A571)
0.3 mi
8.
Turn right to stay on East Lancashire Road (A580)
3.8 mi
9.
Take the ramp
441 ft
10.
Enter Haydock Island and take the 1st exit
102 ft
11.
Exit the roundabout
1278 ft
12.
Merge right onto M6
65 mi
13.
Keep left onto M6
9.4 mi
14.
Keep right onto M6
11.7 mi
15.
Take the ramp on the left
0.9 mi
16.
Keep right at the fork
0.4 mi
17.
Continue onto M42
12.2 mi
18.
Take exit 3A on the left towards M40: London
1 mi
19.
Merge right onto M40
44.4 mi
20.
Take exit 9 on the left towards A41: Bicester Central
0.3 mi
21.
Enter Wendlebury Interchange and take the 3rd exit onto A34
1021 ft
22.
Exit the roundabout onto A34
34.4 mi
23.
Keep right onto Newbury Bypass (A34)
28.1 mi
24.
Enter Winnall Interchange and take the 3rd exit
1115 ft
25.
Exit the roundabout
1277 ft
26.
Merge right onto M3
7.7 mi
27.
Keep right onto M3
1.1 mi
28.
Keep right onto M3
1.1 mi
29.
Merge right onto M27
17 mi
30.
Take the ramp on the left
1012 ft
31.
Merge right onto M275
1.8 mi
32.
Take the ramp on the left
0.3 mi
33.
Enter Rudmore Roundabout and take the 1st exit onto Twyford Avenue (A3)
36 ft
34.
Exit the roundabout onto Twyford Avenue (A3)
0.4 mi
35.
Turn left onto Wilson Road
876 ft
36.
Turn left onto Gruneisen Road
62 ft
37.
You have arrived at your destination, on the left
0 ft



How much does it cost to drive from St Helens to Portsmouth?

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 42.3 £. 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 21.15 £ (42.3/2) per passenger.
For 3 passengers in the car, the cost of this trip is 14.1 £ (42.3/3) per passenger.
For 4 passengers in the car, the cost of this trip are 10.58 £ (42.3/4) per passenger.


Fuel cost = (244.1 mi / 37.5 mpg) x 143 pence per liter = 42.3 £

In more detail, the result is obtained:

Fuel needed = Distance / Car fuel consumption = miles * 4.54609 / carConsumtion = 244.1 mi * 4.54609 / 37.5 mpg = 29.6 liters

Fuel needed = 29.6 lt

Fuel cost = Fuel needed x Price per liter = 29.6 liters x 143 pence per liter = 42.3 £

Fuel cost from St Helens to Portsmouth = 42.3 £

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 26.7 £. 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 26.7 £.
For 2 passengers in carpooling, the cost of this trip is 13.35 £ (26.7/2) per passenger.
For 3 passengers in the car, the cost of this trip is 8.9 £ (26.7/3) per passenger.
For 4 passengers in the car, the cost of this trip is 6.68 £ (26.7/4) per passenger.