Distance between Portsmouth and Cardiff
The distance from Portsmouth to Cardiff is 237 kilometers by road including 137 kilometers on motorways. Road takes approximately 2 hours and 25 minutes and goes through Winchester, Newport, Lyde Green, Caldicot and Pentwyn.
| Shortest distance by air | 165 km ✈️ |
| Car route length | 237 km 🚗 |
| Driving time | 2 h 25 min |
| Fuel amount | 18.9 L |
| Fuel cost | 28.2 GBP |
| Point | Distance | Time | Fuel | |
| Portsmouth | 0 km | 00 min | 0.0 L | |
|
A2047 M27 15 km, 10 min
|
||||
| North Boarhunt | 15 km | 10 min | 1.2 L | |
|
B2177 9 km, 06 min
|
||||
| Soberton | 24 km | 16 min | 1.8 L | |
|
A32 2 km, 02 min
|
||||
| Droxford | 26 km | 18 min | 2.0 L | |
|
A32 A272 19 km, 12 min
|
||||
| Winchester | 45 km | 30 min | 3.4 L | |
|
A34 M4 129 km, 1 h 14 min
|
||||
| Lyde Green | 174 km | 1 h 45 min | 13.7 L | |
|
M4 22 km, 11 min
|
||||
| Caldicot | 195 km | 1 h 57 min | 15.3 L | |
|
M4 20 km, 12 min
|
||||
| Newport | 216 km | 2 h 09 min | 16.3 L | |
|
M4 A48 14 km, 09 min
|
||||
| Pentwyn | 230 km | 2 h 18 min | 18.3 L | |
|
A48 A4161 7 km, 06 min
|
||||
| Cardiff | 237 km | 2 h 25 min | 18.8 L | |
Hotels of Cardiff
Frequently Asked Questions
How much does it cost to drive from Portsmouth to Cardiff?
Fuel cost: 28.2 GBP
This fuel cost is calculated as: (Route length 237 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.49 GBP / L)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Portsmouth to Cardiff?
Driving time: 2 h 25 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 117 km with a maximum speed 112 km/h = 1 h 2 min
- 3 km with a maximum speed 97 km/h = 1 min
- 85 km with a maximum speed 96 km/h = 53 min
- 11 km with a maximum speed 80 km/h = 8 min
- 13 km with a maximum speed 80 km/h = 9 min
- 2 km with a maximum speed 64 km/h = 1 min
- 7 km with a maximum speed 48 km/h = 8 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Portsmouth to Cardiff by land?
The distance between Portsmouth and Cardiff is 237 km by road including 137 km on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Portsmouth and Cardiff respectively.
How far is Portsmouth to Cardiff by plane?
The shortest distance (air line, as the crow flies) between Portsmouth and Cardiff is 165 km.
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 Portsmouth and Cardiff respectively. Actual distance between airports may be different.
How many hours is Portsmouth from Cardiff by plane?
Boeing 737 airliner needs 12 min to cover the distance of 165 km at a cruising speed of 800 km/h.
Small plane "Cessna 172" needs 45 min to flight this distance at average speed of 220 km/h.
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 Portsmouth to Cardiff?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 41 min to cover the distance of 165 km at a cruising speed of 240 km/h.
Popular "Robinson R44" needs 47 min to flight this distance at average speed of 210 km/h.
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 Portsmouth and Cardiff?
The halfway point between Portsmouth and Cardiff is North Wroughton. It is located about 4 km from the exact midpoint by road.
The distance from North Wroughton to Portsmouth is 123 km and driving will take about 1 h 17 min. The road between North Wroughton and Cardiff has length 114 km and will take approximately 1 h 7 min.
The other cities located close to halfway point:
Where is Portsmouth in relation to Cardiff?
Portsmouth is located 165 km south-east of Cardiff.
Portsmouth has geographic coordinates: latitude 50.80368, longitude -1.07561.
Cardiff has geographic coordinates: latitude 51.48165, longitude -3.17919.
Which highway goes from Portsmouth to Cardiff?
The route from Portsmouth to Cardiff follows M4.
Other minor sections pass along the road:
- A34: 42 km
- B4000: 8 km
- A272: 5 km
- M27: 5 km
- A48: 4 km
- A48(M): 4 km
- A4161: 3 km
- M275: 2 km
- A31: 2 km
- A4: 1 km
- A2047: 1 km