The following maps show the fastest route - given the wind conditions

Northerlies

Time taken: 258 mins

Distance: 110.5 km

Elevation: 843 m

Southerlies

Time taken: 258 mins

Distance: 111.9 km

Elevation: 857 m

Westerlies

Time taken: 296 mins

Distance: 110.5 km

Elevation: 844 m

Easterlies

Time taken: 304 mins

Distance: 118.4 km

Elevation: 552 m

North-Westerly

Lastly, the dreaded North-Westerly:

Time taken: 275 mins

Distance: 110.5 km

Elevation: 844 m