Texaco
Caer Service Station
Caer Service Station, South Road, Caernarfon LL55 2HP
1410 yd
163.9p/L
Price changed 18 Jul, 08:16This weekOpen now
Amenities
- Toilets
- Car wash
Route planner
Cheapest Diesel from Cardiff to Holyhead
Route length: 200.1 miles · Corridor: 5 miles · 10 stations found
How route value is measured
Estimated total uses 45L at pump price, plus round-trip detour fuel using 35 mpg.
Adjust your route
Use this panel to test postcodes, towns/villages, or coordinates quickly. Results update in place while this page URL stays canonical for sharing.
Planning snapshot
Review route cost, detour, and coverage together before you commit to a stop.
Route length
200.1 miles
Corridor
5 miles
Fuel type
Diesel
Travel time
4 hr 8 min
Assumptions
45L · 35 MPG
Travel time is shown for guidance only and is not included in route ranking.
Cheapest: Hengoed Ystrad Mynach Superstore - Petrol Filling Station (162.9p/L)
Follow the route line, then jump straight to a station card from the map.
Tap a marker to jump to its station card.
Route map
The route line follows the road route used to match stations along your journey.
Top recommendation
Estimated total (45L)
£74.09
Detour
+0.8 mi off route
Route position166.7 miles from start
Save £1.80 vs CardiffCheapest on route
Stations along this route
10 totalEstimated total (45L)
£74.84
Detour
+0.4 mi off route
Route position176.4 miles from start
On route
Esso
Tyn Lon Garage Limited
Tyn Lon Garage Ltd, Ffordd Caergybi, Llanfairpwllgwyngyll Llanfair Pwllgwyngyll LL61 5SX
700 yd
165.9p/L
Price changed 17 Jul, 19:34This weekOpen now
Amenities
- Toilets
Estimated total (45L)
£74.91
Detour
+3.8 mi off route
Route position15.4 miles from start
Tesco
Hengoed Ystrad Mynach Superstore - Petrol Filling Station
Tesco Stores Ltd, New Road Ystrad Mynach CF82 7DP
3.8 mi
162.9p/L
Price changed 20 Jul, 14:54This weekOpen 24 hours
Amenities
- Toilets
- Car wash
Estimated total (45L)
£75.07
Detour
+0.9 mi off route
Route position174.7 miles from start
Shell
Shell Britannia
Mona Road Porthaethwy LL59 5EB
1580 yd
165.9p/L
Price changed 20 Jul, 14:05This weekOpen 24 hours
Amenities
- Toilets
Estimated total (45L)
£75.16
Detour
+0.1 mi off route
Route position9.3 miles from start
On route
Tesco
Pontypridd Extra - Petrol Filling Station
Gelli-Hirion Industrial Estate Hawthorn CF37 5SN
180 yd
166.9p/L
Price changed 20 Jul, 18:13This weekOpen 24 hours
Amenities
- Toilets
- Car wash
Estimated total (45L)
£75.26
Detour
+0.4 mi off route
Route position2.1 miles from start
On route
Tesco
Cardiff Extra - Petrol Filling Station
Excelsior Estate Excelsior Road Gabalfa CF14 3AT
700 yd
166.9p/L
Price changed 17 Jul, 14:24This weekOpen 24 hours
Amenities
- Toilets
- Car wash
Estimated total (45L)
£75.32
Detour
+0.5 mi off route
Route position11.9 miles from start
On route
Asda
Asda Pontypridd Rhondda Road Petrol Filling Station
Rhondda Road Graigwen CF37 1HF
880 yd
166.9p/L
Price changed 23 Jul, 17:28FreshOpen 24 hours
Estimated total (45L)
£75.32
Detour
+2.6 mi off route
Route position10.4 miles from start
Valero
Llantwit Main Service Station
Griffiths Forecourts Llantwit Main Service Station, Beddau Llantwit Fardre CF38 2FF
2.6 mi
164.9p/L
Price changed 20 Jul, 11:32This weekOpen now
Amenities
- Toilets
Estimated total (45L)
£75.54
Detour
+0.2 mi off route
Route position4.8 miles from start
On route
Asda
Asda Cardiff Coryton Supercentre
Longwood Drive, Coryton Roundabout Forest Farm CF14 7EW
350 yd
167.7p/L
Price changed 23 Jul, 17:28FreshOpen 24 hours
Amenities
- Toilets
Estimated total (45L)
£75.59
Detour
+0.1 mi off route
Route position3.3 miles from start
On route
Tesco
Cardiff Tyn-Y-Parc Express
Tesco Express Tyn-Y-Parc Road Yr Eglwys Newydd CF14 6BN
180 yd
167.9p/L
Price changed 22 Jul, 13:52This weekOpen now
Useful tools and offers for this journey, kept separate from the main route decision.
Planning a regular journey?
See what this route could cost over a year and compare fuel types.
PetrolSavings tool