The drive from Geneva, Switzerland to Tignes (a ski resort in the French Alps) is approximately 190 km (118 miles) and takes around 2 hours 30 minutes via the A40 and A43 autoroutes, passing through Chamonix and the Mont Blanc Tunnel (or over the Col de la Forclaz).
Travel time can increase significantly in winter due to snow, traffic, and tunnel queues. Check road conditions and tunnel schedules before departure; winter tires/chains are mandatory in season.