By train:
You can travel comfortably and efficiently to Geilo on the Bergen Railway: approximately 3 hours from Bergen and 3½ hours from Oslo. The train has 5-6 arrivals/departures to/from Geilo each day.
The Bergen Railway by NSB read more

By car or by buss:
The shortest drive from Oslo to Bergen is on Rv 7, and half way between the two is Geilo. Rv 7 over Hardangervidda and along the Hardanger Fjord is a national tourist route, the Hardanger Tourist Route. Rv 7 is part of the tourist project and is well equipped with tourist information boards and resting areas.

From Geilo Rv 40 goes through the Numedal valley to Larvik, Sandefjord and Tønsberg. If you arrive by ferry from Denmark to Larvik, this is the fastest route to Geilo.

From	Km	Hours
Oslo	249	3,5
Bergen	239	4
Drammen	240	3,5
Kongsberg	160	2,5

From	Km	Hours
Tønsberg	240	3,5
Larvik	265	3,5
Kristiansand	456	6
Lillehammer	200	3

More information about roads, busses and train to Geilo.