Turn Off Speech Recognition. 1  Click Start, and then click Control Panel. 2  Click Date, Time, Language, and Regional Options. 3  Click Regional and Language Options. 4  On the Languages tab, click Details.5  Under Installed services, click Speech Recognition, click Remove, and then click OK. 6  Click OK to apply all the changes.urn Off Handwriting Recognition. 1  Click Start, and then click Control Panel. 2  Click Date, Time, Language, and Regional Options. 3  Click Regional and Language Options. 4  On the Languages tab, click Details. 5  On the Advanced tab, click to select the Turn off advanced text services check box. 6  Click OK.
The total flight duration from London, United Kingdom to San Francisco, CA is 11 hours, 14 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots.
The calculation of flight time is based on the straight line flight distance from London, United Kingdom to San Francisco, CA (as the crow flies), which is about 5,369 miles or 8â640 kilometers. Your trip begins in London, United Kingdom.