It will take about 1 hour.
From Los Angeles to Monterey is 343 miles.
About 6 hours and 41 minutes, in good traffic.
Depending on the fare type selected, a one-way bus ticket from Monterey to Los Angeles will cost $46.00 - $64.00.
About 320 miles.
321 miles
90 miles
Google Maps estimates the driving time as 5 hours and 46 minutes.
A long time
It would take about 13 hours to fly from Los Angeles to Rome Italy.
The driving distance is about 325 miles.
A drive from Las Vegas to Los Angeles would take about 70 hours.
If you are asking about the Cornwall in England, then you can't drive from there to Los Angeles, because of the ocean.