Route from Christchurch to Portsmouth
The distance between Christchurch and Portsmouth is 49.6 miles. Travel time is 54 minutes.

Driving directions from Christchurch to Portsmouth
How much does it cost to travel from Christchurch to Portsmouth by car?
The journey, fueled by petrol, comes to £8.6. In this calculation, we've assumed a petrol price of 143 pence per liter and the car's petrol consumption at 37.5 miles per gallon.
For those considering carpooling, with two passengers, the cost per person is £4.3 (£8.6/2). With three passengers, the cost reduces to £2.87 per person (£8.6/3). And for four passengers, it further decreases to £2.15 per person (£8.6/4).
To break it down further, here's how we arrive at the result:
The fuel required is determined by dividing the distance by the car's fuel consumption. For a journey of 49.65 miles, this calculation involves multiplying 49.65 miles by 4.54609 (liters per gallon) and dividing by the car's consumption of 37.5 mpg, resulting in 6 liters of fuel needed.
The fuel cost is then calculated by multiplying the fuel needed by the price per liter. For 6 liters of fuel at 143 pence per liter, the total comes to £8.6.
In conclusion, the fuel cost from Christchurch to Portsmouth amounts to £8.6.
How much fuel a car uses is directly related to how well its engine is oiled. How to do it:
- Efficiency: An engine that has been properly cared for and is in good shape works more efficiently, which means it can burn fuel more efficiently and use less of it to make the same amount of power.
- Combustion: If the fuel injectors are dirty, the air filters are jammed, or the spark plugs don't work right, the fuel may not burn all the way. This is called incomplete combustion. This wastes fuel and makes people use more of it.
- Fuel blend: For the engine to burn efficiently, the fuel-air blend needs to be carefully managed. Any changes from the right ratio, like when an oxygen monitor or fuel injector doesn't work right, can cause the engine to use more fuel than it should.
- Mechanical Wear: As an engine ages, parts inside it like piston rings, valves, and seals can wear out. This makes the engine less efficient and causes it to use more petrol. This wear can be lessened with regular upkeep, which can also help keep fuel use in check.
- Ignition Timing: If the ignition timing is off, it can cause inefficient combustion and higher fuel usage. This can be caused by a worn distributor or a broken ignition system.
To sum up, the state of a car's engine is a major factor in how much fuel it uses. For the engine to work well and use little petrol, it needs to be serviced regularly and fixed quickly when something goes wrong.
Diesel cost from Christchurch to Portsmouth.
The trip with diesel fuel costs 5.4 £ (151p/lt, 62.7 mpg).
For 2 passengers: 2.7 £ (5.4/2) /p.
For 3 passengers: 1.8 £ (5.4/3) /p.
For 4 passengers: 1.35 £ (5.4/4) /p.
Alternative routes from Christchurch to Portsmouth
An alternative route from Christchurch to the Portsmouth is 48.88 miles and takes 1 hour and 19 minutes.
Which is the cheapest route from Christchurch to Portsmouth by car?
The cheapest route from Christchurch to Portsmouth is the second suggested route (48.9mi, 1h 19min) and costs 8.5 £ (petrol fuel cost, 143p/lt, 37.5mpg).
The most expensive route from Christchurch to Portsmouth is the first suggested route (49.6mi, 54min) and costs 8.6 £.
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 Christchurch to Portsmouth?
There are two suggested routes. The fastest route is 49.6mi (distance from Christchurch to Portsmouth) and its duration is 54min. The slowest route is 48.9mi, and its duration is 1h 19min.
RouteCalculator provides you with the information to prepare your trip from Christchurch to Portsmouth by car or motorbike. It offers you alternative road routes that you can follow to go from Christchurch to Portsmouth. It provides driving directions from Christchurch to Portsmouth, i.e. where to turn and when, distance of the Christchurch - Portsmouth 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 Christchurch to Portsmouth with other people or friends, RouteCalculator provides the cost of the journey and the amount that each passenger will have to pay.
Where is Christchurch located?
Christchurch is located in Dorset county and in England. It is situated at an altitude of 6 meters above sea level. Christchurch has coordinates 50.7357770o,-1.7785860o. RouteCalculator provides a map of Christchurch from which you can plan your trips to other UK cities.
What is the location of Portsmouth?
Portsmouth is located in Hampshire county and in England. It is situated at an altitude of 4 meters above sea level. Portsmouth has coordinates 50.8197675o,-1.0879769o. RouteCalculator provides a map of Portsmouth from which you can plan your trips to other UK cities.
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