The following URL:
https://maps.google.co.uk/maps?saddr=Gre" onclick="window.open(this.href);return false;
tna+Green&daddr=Hawick+to:peebles+to:edi
nburgh+to:braemar+to:Grantown-on-Spey+to
:inverness+to:John+o%27+Groats+to:durnes
s+to:Ullapool+to:applecross+to:Kyle+of+L
ochalsh+to:Portree+to:Uig+to:Dunvegan+to:
Dornie+to:Invermoriston+to:fort+william
+to:Glencoe+to:oban+to:lochgilphead+to:I
nveraray+to:loch+lomond&geocode=FYNMRwMd
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has a length of 1302 characters and resulted in the following TinyURL which has a length of 26 characters:
http://tinyurl.com/8kwe5gm" onclick="window.open(this.href);return false;
Googlemaps route
EDIT - Damn, just noticed it cut a bit off - Ullapool -> Applecross should follow A832 round the coast, not the shorter route that the map has suggested. Interestingly, it's totalled that as 27 hours now it's all been plugged together. Can't see it on those roads somehow!