How long is a flight from Heathrow to San Antonio?

The total distance from San Diego, CA to London, United Kingdom is 5,495 miles. This is equivalent to 8,844 kilometers or 4,775 nautical miles.

The typical flight from San Diego to London should be 10 hours, 59 minutes. This is assuming you are traveling at 500 miles per hour, which is equivalent to 805/km per hour or 434 knots.