You are designing a 5 kilometer course for a local charity run. your assistants provide you with the following measures in yards. you need to convert the distances to kilometers, and then tell your assistants how much further they need to extend the finish line to complete the course.

course streets distance
main street to 6th ave. 781 yards
6th ave. to pleasant road 1,250 yards
pleasant road to city park 275 yards
route through city park 2,337 yards
city park to main street 725 yards