'widest extent' is correct and usable in written English.
You can use it to emphasize the greatest amount or degree of something. For example, "We must explore every option available to its widest extent in order to ensure success."
It extends about 135 miles (220 km) from north to south and 220 miles (350 km) at its widest extent from west to east.
Co-author Prof Randall Irmis, also at the Natural History Museum of Utah, said that Lythronax and other tyrannosaurids diversified between 95m and 80m years ago, at a time when North America's interior sea was at its widest extent.
At its widest extent the bay measures 13 miles (21 km) across; its deepest point, 357 feet (109 metres), is in the Golden Gate, a narrow channel between the peninsula and Marin county to the north that connects the bay to the Pacific.
As shown in Figure 5f of the same paper – where the vertical axis represents "overhead" in the conventional "opposite-to-gravity" sense of the word – the binocular field is a vertical sliver centered on the horizon, where it has the widest extent.
By then a soundly based and unified government had been established over a wider extent than any for eight centuries.
PAGE A24 Varying Academic Standards The Department of Education issued a report that, for the first time, measured the wide extent of differences in academic standards among the states.
With Barcelona's Ibrahim Afellay speeding down one flank, and Munich's Robben tricking his way down the other, the Netherlands uses wingers to a wide extent.
The wide extent of their holdings made Thibaut and his successors major feudal lords, and it was during the 12th and 13th centuries that Champagne reached its apogee.
The wide extent of such practices should not be taken to show that protecting national security requires gross violations of human rights.
Tamasin Cave, of the lobbying transparency group Spinwatch, said the records of ministerial meetings showed the wide extent of corporate networks of influence, but she also warned they may merely scratch the surface.
A as history adjudges the intervention as being both wrong and based on false facts, people hold government, and to a wider extent parliament, in less high standing than before.
