Route from Swansea to Dumbarton
The distance between Swansea and Dumbarton is 436 miles. Travel time is 7 hours and 24 minutes.

Driving directions from Swansea to Dumbarton
How much does it cost to drive from Swansea to Dumbarton with petrol?
Let's delve into the expenses of a road trip from Swansea to Dumbarton. The journey using petrol will set you back 75.5 pounds. Now, let's walk through how we arrived at this figure.
Firstly, we consider the price of petrol, which is 143 pence per liter. Next, we take into account the car's fuel consumption rate, which stands at 37.5 miles per gallon.
Now, suppose you're carpooling. If there are two passengers sharing the ride, each person will contribute 37.75 pounds (£75.5 divided by 2). With three passengers, the cost per person drops to around 25.17 pounds (£75.5 divided by 3). And if there are four passengers onboard, each person chips in 18.88 pounds (£75.5 divided by 4).
Let's delve deeper into the calculations. To determine how much fuel is needed for the trip, we rely on the distance and the car's fuel efficiency. The distance between Swansea and Dumbarton is approximately 435.5 miles. So, to cover this distance, the car will require roughly 52.8 liters of petrol. We obtained this value by dividing the distance by the car's fuel consumption rate of 37.5 miles per gallon and then converting it to liters.
Once we have the amount of fuel needed, we calculate the total cost. Multiplying the fuel quantity (52.8 liters) by the price per liter (143 pence) yields 75.5 pounds. Therefore, the fuel cost for the journey from Swansea to Dumbarton is 75.5 pounds.
Diesel cost from Swansea to Dumbarton.
The trip with diesel fuel costs 47.7 £ (151p/lt, 62.7 mpg).
For 2 passengers: 23.85 £ (47.7/2) /p.
For 3 passengers: 15.9 £ (47.7/3) /p.
For 4 passengers: 11.93 £ (47.7/4) /p.
Alternative routes from Swansea to Dumbarton
Meanwhile, the least speedy route from Swansea to Dumbarton covers 401.34 miles and necessitates 7 hours and 27 minutes for completion.
Which is the cheapest route from Swansea to Dumbarton by car?
The cheapest route from Swansea to Dumbarton is the second suggested route (401mi, 7h 27min) and costs 69.6 £ (petrol fuel cost, 143p/lt, 37.5mpg).
The most expensive route from Swansea to Dumbarton is the first suggested route (436mi, 7h 24min) and costs 75.5 £.
For greater safety, the driver should choose the route that passes through the highway (median barrier) and not through smaller roads (curves in the road, bad road conditions, no median barrier).
How to get from Swansea to Dumbarton?
There are two suggested routes. The fastest route is 436mi (distance from Swansea to Dumbarton) and its duration is 7h 24min. The slowest route is 401mi, and its duration is 7h 27min.
RouteCalculator provides you with the information to prepare your trip from Swansea to Dumbarton by car or motorbike. It offers you alternative road routes that you can follow to go from Swansea to Dumbarton. It provides driving directions from Swansea to Dumbarton, i.e. where to turn and when, distance of the Swansea - Dumbarton route, travel time, display of the route on the map, fuel cost (petrol, diesel) and toll (if exist) cost.
In case you share the journey (carpooling) from Swansea to Dumbarton with other people or friends, RouteCalculator provides the cost of the journey and the amount that each passenger will have to pay.
Where is Swansea located?
Swansea is located in Swansea county and in Wales. It is situated at an altitude of 14 meters above sea level. Swansea has coordinates 51.6214400o,-3.9436460o. RouteCalculator provides a map of Swansea from which you can plan your trips to other UK cities.
What is the location of Dumbarton?
Dumbarton is located in West Dunbartonshire county and in Scotland. It is situated at an altitude of 5 meters above sea level. Dumbarton has coordinates 55.9452870o,-4.5645540o. RouteCalculator provides a map of Dumbarton from which you can plan your trips to other UK cities.
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