Route from Harrow to Watford by car

From: Harrow, County: Greater London, England
To: Watford, County: Hertfordshire, England
7.1 mi
16 min
Fuel consumption:
Fuel cost:
Passengers:



How many miles from Harrow to Watford?

How far is from Harrow to Watford?


The driving distance between Harrow and Watford is 7.1 miles. Travel time is 16 minutes by car.






7.1 mi 16 min
1.
Head west on A404
185 ft
2.
Exit the roundabout onto Greenhill Way (A4005)
461 ft
3.
Turn left onto Headstone Road
1048 ft
4.
Continue onto Harrow View
0.9 mi
5.
Enter the roundabout and take the 2nd exit onto Harrow View
85 ft
6.
Exit the roundabout onto Harrow View
783 ft
7.
Continue onto Courtenay Avenue
0.4 mi
8.
Enter the roundabout and take the 2nd exit onto Courtenay Avenue
160 ft
9.
Exit the roundabout onto Courtenay Avenue
0.3 mi
10.
Keep right onto Courtenay Avenue
514 ft
11.
Enter the roundabout and take the 2nd exit onto Oxhey Lane (A4008)
224 ft
12.
Exit the roundabout onto Oxhey Lane (A4008)
2.5 mi
13.
Turn left onto Watford Heath
479 ft
14.
Continue onto Oxhey Road
0.4 mi
15.
Continue onto Deacons Hill (A4178)
1090 ft
16.
Continue onto Wiggenhall Road (A4178)
0.5 mi
17.
Turn left onto Farraline Road (A4145)
442 ft
18.
Make a slight right onto Fearnley Street (A4145)
124 ft
19.
Turn right onto The Hornets (A4145)
203 ft
20.
Turn left onto Merton Road (A4178)
423 ft
21.
Continue onto Cassio Road (A4178)
1100 ft
22.
Turn right onto Upton Road
703 ft
23.
Continue onto Exchange Road (A411)
404 ft
24.
Make a slight right to stay on Exchange Road (A411)
329 ft
25.
Go straight onto Beechen Grove (A411)
911 ft
26.
Turn left onto Loates Lane
382 ft
27.
Continue slightly left onto Queen's Road
605 ft
28.
Turn right onto Queen's Place
143 ft
29.
Turn right onto Gladstone Road
771 ft
30.
You have arrived at your destination, on the left
0 ft



How much does it cost to drive from Harrow to Watford?

The fuel cost by car depend on several factors such as the distance traveled, the driving conditions (traffic jam, slow driving, normal driving, race driving), fuel consumption of the vehicle, and the current price of fuel.

The trip with petrol fuel costs 1.2 £. In the above calculation, the petrol price is considered to be 143 pence per liter and the petrol consumption of the car is 37.5 miles per gallon.
For 2 passengers in carpooling, the cost of this trip is 0.6 £ (1.2/2) per passenger.
For 3 passengers in the car, the cost of this trip is 0.4 £ (1.2/3) per passenger.
For 4 passengers in the car, the cost of this trip are 0.3 £ (1.2/4) per passenger.


Fuel cost = (7.1 mi / 37.5 mpg) x 143 pence per liter = 1.2 £

In more detail, the result is obtained:

Fuel needed = Distance / Car fuel consumption = miles * 4.54609 / carConsumtion = 7.1 mi * 4.54609 / 37.5 mpg = 0.9 liters

Fuel needed = 0.9 lt

Fuel cost = Fuel needed x Price per liter = 0.9 liters x 143 pence per liter = 1.2 £

Fuel cost from Harrow to Watford = 1.2 £

Why do I multiply miles by 4.54609?

Consumption is measured in miles per gallon. 37.5 mpg means that a car could travel 37.5 miles with a gallon petrol fuel. The price of fuel is in pence per liter. Gallons should be converted to liters so that the final fuel consumption on a trip is in liters. 1 gallon is 4.54609 liters, so multiply by 4.54609.


The trip with diesel fuel costs 0.8 £. In the above calculation, the diesel price is considered to be 151 pence per liter and the diesel consumption of the car is 62.7 mpg. For only one passenger the cost of the trip is 0.8 £.
For 2 passengers in carpooling, the cost of this trip is 0.4 £ (0.8/2) per passenger.
For 3 passengers in the car, the cost of this trip is 0.27 £ (0.8/3) per passenger.
For 4 passengers in the car, the cost of this trip is 0.2 £ (0.8/4) per passenger.