This is from Autoroute - someone who knows Glasgow should check this and see how accurate it is - they've changed some roads to one way in the bit I have to go to near the SECC.

Summary: 12.0 miles (18 minutes)

Time Mile Instruction For Toward
09:00 0.0 Depart Glasgow Airport on Caledonia Way (East) 0.2 mi Terminal Building / Cars and Taxis / Coach Park
09:00 0.2 At roundabout, take the SECOND exit onto White Cart Road 0.1 mi M8 / Edinburgh / Paisley / Renfrew / Glasgow
09:01 0.3 At roundabout, take the SECOND exit onto Sanderling Road 0.2 mi
09:01 0.5 At roundabout, take the SECOND exit onto Local road(s) 65 yds
09:01 0.6 Merge onto Local road(s) 98 yds
09:01 0.6 At roundabout, take the FOURTH exit onto Ramp 0.2 mi M8 / Glasgow / Glasgow Airport / Public Car Parks
09:02 0.8 Merge onto M8 7.8 mi
09:10 8.6 At Exit 18, keep LEFT onto Ramp 0.1 mi A82 / Dumbarton
09:10 8.8 Take Ramp (RIGHT) onto A82 [Great Western Road] 0.8 mi
09:11 9.6 At 3 Bank St, Glasgow G12 8, return East on A82 [Great Western Road] 0.8 mi
09:13 10.4 Turn LEFT (East) onto Ramp 153 yds M8
09:13 10.4 Take Ramp (RIGHT) onto M8 0.5 mi M8 / Greenock / GL'W Airport / Kilmarnock
09:14 11.0 At Exit 19, bear LEFT (South-East) onto Ramp 0.2 mi A814 / Clydebank / S. E. C. C.
09:14 11.2 Bear LEFT (South) onto A804 10 yds
09:14 11.2 Road name changes to Local road(s) 10 yds
09:14 11.2 Turn RIGHT (West) onto A814 0.3 mi
09:15 11.5 Keep LEFT onto Ramp 0.1 mi
09:15 11.6 Turn LEFT (South) onto A814 [Finnieston Street] 120 yds
09:16 11.7 Turn RIGHT (West) onto Stobcross Road 153 yds
09:16 11.8 At roundabout, take the FIRST exit onto Congress Way 109 yds
09:17 11.8 Turn RIGHT (West) onto Congress Road 0.2 mi
09:18 12.0 Arrive Scottish Exhibition Centre [Congress Road, Glasgow, G3 8, United Kingdom, Tel: +44 141-2483000]