If you walked from Amarillo, TX to Los Angeles, CA, walking along historic Route 66, it would take you 15 days and 2 hours. This is of course if you were walking nonstop without sleeping, so it would probably take you considerably longer if you were resting at night. Source: http://bit.ly/5chsEq
About 15.5 hours.
It would take approximately 11 hours to drive from Houston to Amarillo. Give or take a few depending on how fast you drive.
37 days
A direct flight from London, England to Amarillo, Texas will take about 10 hours.
The driving distance between Amarillo, TX and Los Angeles, CA is approximately 1075 miles. The driving time would be approximately 16 hours 30 minutes if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work, border crossings and rush hour traffic in urban areas.)
The total distance is 695 miles. The journey would take about 11 hours and 10 minutes.
bout 12
From Dallas, TX, to Amarillo, TX, would take approximately 5 days walking. I suggest driving as this would only take 6 hours and 21 minutes.
37 hours
300 days
2 hours
It would take about 13 hours to fly from Los Angeles to Rome Italy.