The tours can cover a lot of ground and last a year or more.

The tour covers an average of four to six miles a day on foot.

My tour of three weeks covered 3,000 miles, almost entirely by bus.

A tour covering areas of industrial development dating from the late 19th century.

This tour covered 37 shows in only six weeks.

The tour covered venues along the east coast of Australia.

Guided tours generally cover historical points and end with a pleasant view from the top.

Most tours cover one of the two and West Germany or other places.

The tour covered 21,000 miles and 20 different locations.

The tour covered twenty-one states and three provinces in Canada.