Distance between Swansea and Cardiff
The distance from Swansea to Cardiff is 42 miles by road including 29 miles on motorways. Road takes approximately 44 minutes and goes through Goytre, Pencoed, Llanharry and Brynsadler.
| Shortest distance by air | 34 mi ✈️ |
| Car route length | 42.3 mi 🚗 |
| Driving time | 44 min |
| Fuel amount | 1.4 gal |
| Fuel cost | 5.6 USD |
| Point | Distance | Time | Fuel | |
| Swansea | 0 mi | 00 min | 0.0 gal | |
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A4118 A483 6 mi, 08 min
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| Travellers Site | 6 mi | 08 min | 0.2 gal | |
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M4 4 mi, 04 min
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| Goytre | 10 mi | 13 min | 0.3 gal | |
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M4 2 mi, 01 min
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| Margam Village | 12 mi | 15 min | 0.4 gal | |
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M4 9 mi, 08 min
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| Pen y Cae | 22 mi | 23 min | 0.7 gal | |
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M4 3 mi, 02 min
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| Pencoed | 25 mi | 26 min | 0.8 gal | |
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M4 4 mi, 03 min
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| Llanharry | 29 mi | 29 min | 0.9 gal | |
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M4 A4232 14 mi, 14 min
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| Cardiff | 42 mi | 44 min | 1.4 gal | |
Hotels of Cardiff
Frequently Asked Questions
How much does it cost to drive from Swansea to Cardiff?
Fuel cost: 5.6 USD
This fuel cost is calculated as: (Route length 42.3 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.93 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Swansea to Cardiff?
Driving time: 44 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 24 mi with a maximum speed 68 mph = 21 min
- 7 mi with a maximum speed 56 mph = 7 min
- 6 mi with a maximum speed 50 mph = 6 min
- 1 mi with a maximum speed 50 mph = 1 min
- 2 mi with a maximum speed 40 mph = 3 min
- 2 mi with a maximum speed 30 mph = 4 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Swansea to Cardiff by land?
The distance between Swansea and Cardiff is 42.3 mi by road including 28.6 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Swansea and Cardiff respectively.
How far is Swansea to Cardiff by plane?
The shortest distance (air line, as the crow flies) between Swansea and Cardiff is 34.2 mi.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Swansea and Cardiff respectively. Actual distance between airports may be different.
How many hours is Swansea from Cardiff by plane?
Boeing 737 airliner needs 4 min to cover the distance of 34 mi at a cruising speed of 497 mph.
Small plane "Cessna 172" needs 15 min to flight this distance at average speed of 136 mph.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from Swansea to Cardiff?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 13 min to cover the distance of 34 mi at a cruising speed of 149 mph.
Popular "Robinson R44" needs 15 min to flight this distance at average speed of 130 mph.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between Swansea and Cardiff?
The halfway point between Swansea and Cardiff is Pen y Cae. It is located about 1 mi from the exact midpoint by road.
The distance from Pen y Cae to Swansea is 22 mi and driving will take about 23 min. The road between Pen y Cae and Cardiff has length 21 mi and will take approximately 21 min.
The other cities located close to halfway point:
Where is Swansea in relation to Cardiff?
Swansea is located 34 mi west of Cardiff.
Swansea has geographic coordinates: latitude 51.62114, longitude -3.94678.
Cardiff has geographic coordinates: latitude 51.48165, longitude -3.17919.
Which highway goes from Swansea to Cardiff?
The route from Swansea to Cardiff follows M4.
Other minor sections pass along the road:
- A4232: 6 mi
- A483: 4 mi
- A4161: 1 mi
- B4267: 1 mi