Route from London to Harrow
The distance between London and Harrow is 13.4 miles. Travel time is 32 minutes.

Driving directions from London to Harrow
What's the expense of traveling from London to Harrow by car?
The trip fueled by petrol comes to £2.3. This calculation is based on a petrol price of 143 pence per liter and the car's consumption rate of 37.5 miles per gallon.
For those interested in carpooling, the cost per passenger decreases with more occupants. With two passengers, each person's share is £1.15 (£2.3/2). For three passengers, the cost per person reduces to £0.77 (£2.3/3), and with four passengers, it further decreases to £0.58 (£2.3/4).
To delve deeper into the calculation, let's examine how we arrive at the result:
Firstly, we determine the fuel required by dividing the distance by the car's fuel consumption rate. For a journey of 13.4 miles, this calculation involves multiplying 13.4 miles by 4.54609 (liters per gallon) and dividing by the car's consumption of 37.5 mpg, resulting in 1.6 liters of fuel needed.
Next, we calculate the fuel cost by multiplying the fuel needed by the price per liter. With 1.6 liters of fuel at 143 pence per liter, the total cost comes to £2.3.
In summary, the fuel cost for the trip from London to Harrow amounts to £2.3.
Diesel cost from London to Harrow.
The trip with diesel fuel costs 1.5 £ (151p/lt, 62.7 mpg).
For 2 passengers: 0.75 £ (1.5/2) /p.
For 3 passengers: 0.5 £ (1.5/3) /p.
For 4 passengers: 0.38 £ (1.5/4) /p.
Diesel Fuel: Diesel combustion creates more NOx and particulate matter than petrol combustion. This is due to diesel engine combustion and fuel composition. Modern diesel automobiles emit less due to particle filters and SCR systems.
Compared to diesel combustion, petrol combustion produces less nitrogen oxides and particulate matter. Petrol contains less contaminants than diesel, thus petrol engines generate fewer particles. Due to combustion processes and engine design, petrol engines may release less nitrogen oxides.
While both diesel and petrol engines generate pollutants, diesel engines historically emitted more. Since pollution control technology have improved, current diesel and petrol vehicles can meet strict emissions criteria.
Alternative routes from London to Harrow
Meanwhile, the least speedy route from London to Harrow covers 13.78 miles and necessitates 33 minutes for completion.
Which is the cheapest route from London to Harrow by car?
The cheapest route from London to Harrow is the first suggested route (13.4mi, 32min) and costs 2.3 £ (petrol fuel cost, 143p/lt, 37.5mpg).
The most expensive route from London to Harrow is the second suggested route (13.8mi, 33min) and costs 2.4 £.
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 London to Harrow?
There are two suggested routes. The fastest route is 13.4mi (distance from London to Harrow) and its duration is 32min. The slowest route is 13.8mi, and its duration is 33min.
RouteCalculator provides you with the information to prepare your trip from London to Harrow by car or motorbike. It offers you alternative road routes that you can follow to go from London to Harrow. It provides driving directions from London to Harrow, i.e. where to turn and when, distance of the London - Harrow 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 London to Harrow with other people or friends, RouteCalculator provides the cost of the journey and the amount that each passenger will have to pay.
Where is London located?
London is located in Greater London county and in England. It is situated at an altitude of 8 meters above sea level. London has coordinates 51.5073509o,-0.1277583o. RouteCalculator provides a map of London from which you can plan your trips to other UK cities.
What is the location of Harrow?
Harrow is located in Greater London county and in England. It is situated at an altitude of 65 meters above sea level. Harrow has coordinates 51.5805590o,-0.3419950o. RouteCalculator provides a map of Harrow from which you can plan your trips to other UK cities.