"lengthened from" is a correct and usable phrase in written English
You could use it to describe a situation where something has been made longer or lasts longer than before. For example, "He lengthened the play from two hours to three."
Mr. Giuliani says that with the schools performing so poorly, the school day should be lengthened from six hours and 20 minutes to give the city's 1.1 million schoolchildren more time in class.
The schedule was soon abandoned, as Murray's walkabout through Dunblane lengthened from the 75 minutes planned into a slow four-and-a-half-hour communion with the people – almost as long as his US Open final against Novak Djokovic.
Alongside tax changes offering incentives for development of challenging finds, such as high-pressure high-temperature deposits, a tweak to the licensing terms sees the window for licence-holders to fulfil their survey commitments lengthened from six to nine years, to help smaller explorers.
Intervals between events lengthened from beginning in August 2015.
The opposite behavior was observed when this distance lengthened from 18 to 28 mm.
The coppice cycle was lengthened from 7 years (14th century) to more than 30 years (19th century) with a fluctuating density of standards.
As a result, the odds of winning with each £1 bond number will lengthen – from 24,000-1 to 26,000-1.
As my bubble of attention continues to expand, I notice a dark line lengthening from the point where the column of smoke meets the clouds.
These will lengthen from 37½ to 40 the number of years of contributions that are required for a full pension, bringing 500,000 workers with special regimes into line with the rest of the public sector.
Its main purpose is to lengthen from 37.5 to 40 (and later to 42) the number of years public-sector employees must work to get a maximum pension, bringing them into line with private-sector employees.
The beam pulse lengthens from 1 cm to 2 cm due to lack of longitudinal compression fields.
