Figure 6 is a map showing the track of Cyclone Winston across the South Pacific between 15 and 22 February 2016.

On this map, the total measured length of the storm track is 13.7 cm13.7\text{ cm}13.7 cm.
Calculate the actual total distance travelled by Cyclone Winston between 15 and 22 February 2016.
Give your answer to one decimal place.
You must show your working.