Route from Southampton to Cwmbran by car

From: Southampton, County: Hampshire, England
To: Cwmbran, County: Newport, Wales
122 mi
2 h 10 min
Fuel consumption:
Fuel cost:
Passengers:



How many miles from Southampton to Cwmbran?

How far is from Southampton to Cwmbran?


The driving distance between Southampton and Cwmbran is 122 miles. Travel time is 2 hours and 10 minutes by car.






122 mi 2 h 10 min
1.
Head north on Above Bar Street
278 ft
2.
Continue onto London Road
0.3 mi
3.
Continue onto The Avenue (A33)
1.5 mi
4.
Continue onto Bassett Avenue (A33)
0.3 mi
5.
Enter the roundabout and take the 3rd exit onto Bassett Avenue (A33)
87 ft
6.
Exit the roundabout onto Bassett Avenue (A33)
0.8 mi
7.
Enter Chilworth Roundabout and take the 1st exit onto A27
137 ft
8.
Exit the roundabout onto A27
344 ft
9.
Take the ramp on the right towards M3
9.6 mi
10.
Take the ramp on the left towards A34
1257 ft
11.
Enter Winnall Interchange and take the 2nd exit onto Winchester By-Pass (A34)
330 ft
12.
Exit the roundabout onto Winchester By-Pass (A34)
25.7 mi
13.
Take the ramp on the left towards Hungerford
0.3 mi
14.
Enter Bath Road Junction and take the 3rd exit onto Ermin Street (B4000)
321 ft
15.
Exit the roundabout onto Ermin Street (B4000)
3.9 mi
16.
Continue onto Newbury Road (B4000)
1154 ft
17.
Continue onto Baydon Road (B4000)
2.2 mi
18.
Turn left onto A338
0.5 mi
19.
Enter Wickham Interchange and take the 3rd exit towards M4: South Walles
940 ft
20.
Exit the roundabout towards M4: South Walles
52.9 mi
21.
Keep right onto M4
18.7 mi
22.
Take the ramp on the left onto M4
561 ft
23.
Merge right onto A4042
0.3 mi
24.
Enter Grove Park Roundabout and take the 2nd exit onto Brynglas Tunnels and Malpas Road Relief Road (A4042)
243 ft
25.
Exit the roundabout onto Brynglas Tunnels and Malpas Road Relief Road (A4042)
1.3 mi
26.
Take the ramp on the left
836 ft
27.
Go straight onto A4042
1080 ft
28.
Enter Woodlands roundabout and take the 2nd exit onto Cwmbran Drive (A4051)
236 ft
29.
Exit the roundabout onto Cwmbran Drive (A4051)
1 mi
30.
Enter the roundabout and take the 2nd exit onto A4051
83 ft
31.
Exit the roundabout onto A4051
0.6 mi
32.
Enter the roundabout and take the 1st exit onto Henllys Way
17 ft
33.
Exit the roundabout onto Henllys Way
223 ft
34.
Enter the roundabout and take the 2nd exit onto Henllys Way
98 ft
35.
Exit the roundabout onto Henllys Way
0.4 mi
36.
Turn right onto Green Meadow Way
1080 ft
37.
Turn right onto Melbourne Court
568 ft
38.
Make a slight right to stay on Melbourne Court
127 ft
39.
You have arrived at your destination, on the right
0 ft



How much does it cost to drive from Southampton to Cwmbran?

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 21.2 £. 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 10.6 £ (21.2/2) per passenger.
For 3 passengers in the car, the cost of this trip is 7.07 £ (21.2/3) per passenger.
For 4 passengers in the car, the cost of this trip are 5.3 £ (21.2/4) per passenger.


Fuel cost = (122.29 mi / 37.5 mpg) x 143 pence per liter = 21.2 £

In more detail, the result is obtained:

Fuel needed = Distance / Car fuel consumption = miles * 4.54609 / carConsumtion = 122.29 mi * 4.54609 / 37.5 mpg = 14.8 liters

Fuel needed = 14.8 lt

Fuel cost = Fuel needed x Price per liter = 14.8 liters x 143 pence per liter = 21.2 £

Fuel cost from Southampton to Cwmbran = 21.2 £

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 13.4 £. 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 13.4 £.
For 2 passengers in carpooling, the cost of this trip is 6.7 £ (13.4/2) per passenger.
For 3 passengers in the car, the cost of this trip is 4.47 £ (13.4/3) per passenger.
For 4 passengers in the car, the cost of this trip is 3.35 £ (13.4/4) per passenger.