What is distance between Bolton and tenby?

292 miles taking this route:

1. Take M60 RING ROAD (W&S) towards LIVERPOOL (via M62), from Bolton, to M62 to LIVERPOOL and BIRMINGHAM (via M6) at J12.
2. Take M62 to M6(S) BIRMINGHAM at J10.
3. Take M6 to M5 at J8 in Birmingham.
4. Take M5 to M4 SOUTH Wales at J15.
5. Take M4 to A48 CARMARTHEN at J49 in SOUTH WALES.
6. Take A48 to A40 ST. CLEARS, near Carmarthen.
7. Take A40 to A478 TENBY, via A477.
8. Take A478 to Tenby.