Day trip from Harrow to Slough
Slough lies 20 km (12 mi) south-west of Harrow, in the same time zone. What the numbers say about getting there.
At 20 km (12 mi) apart, Slough is a realistic day trip from Harrow: about 19 min each way by road.
| Harrow | Slough | |
|---|---|---|
| Country | United Kingdom | United Kingdom |
| Population | 149,246 | 164,793 |
| Elevation | 69 m (226 ft) | 33 m (108 ft) |
| Time now | UTC+1 (Europe/London) | UTC+1 (Europe/London) |
| Postal codes | HA2–KW14 | SL1–SL95 |
Where to book tours and tickets in Slough
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Slough
Live rooms and prices for Slough are in the search below.
Book a hotel in Slough
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Slough from Harrow?
20 km (12 mi) in a straight line, south-west of Harrow; by road roughly 24 km (15 mi).
How long does it take to get from Harrow to Slough by road?
About 19 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Harrow and Slough?
No, both are on Europe/London at the moment.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.