Glasgow City Council regulates - and annually reviews - all taxi fares. Fares are unregulated beyond the city boundaries so agree a price before you set off. For an idea of prices, here are Glasgow Taxis Ltd.'s approx. fares from the city centre to key tourist destinations:

Glasgow Airport: £19
Edinburgh Airport: £85
Edinburgh City: £99
Loch Lomond: from £40
Stirling Town: £53
Gleneagles: £90
St Andrews: £140
Fort William: £185
Oban: £175