| Akershus Fortress: Guided tour | Akershus festning | City Centre | | |
| Astrup Fearnley: Guided tours (No.) | Dronningens gate 4 | City Centre | | |
| Båtservice Sightseeing | Rådhusbrygge 3 | City Centre | | |
| Båtservice: Grand Tour of Oslo | Rådhusbrygge 3 | City Centre | | |
| Båtservice: Oslo Combination | Rådhusbrygge 3 | City Centre | | |
| Båtservice: Selected City Sightseeing | Rådhusbrygge 3 | City Centre | | |
| Bicycling in Oslo: The Vantage Point Ekeberg | Oslo - Ekeberg | City Centre | | |
| Bislet bad | Pilestredet 60 | City Centre | | |
| Bridgesenter Vest | Sporveisgata 31 | City Centre | | |
| Children's activities: Fred's Fabulous Journey | Brynjulf Bulls plass 1 | City Centre | | |
| Christian Quart Tourist Train | Aker Brygge | City Centre | | |
| Cinemateket | Dronningens gate 16 | City Centre | | |
| City Bikes (Oslo Bysykkel) | | City Centre | | |
| Company Christmas parties at Rockefeller | Torggata 16 | City Centre | | |
| Contemporary art break | Bankplassen 4 | City Centre | | |
| Cruise-Båtene AS | Rådhusbrygge 2 | City Centre | | |
| DNT - The Norwegian Trekking Association | Storgata 3 | City Centre | | |
| DNT - The Norwegian Trekking Association | Storgata 3 | City Centre | | |
| DNT Oslo & surroundings (The Norwegian Trekking Association) | Storgata 3 | City Centre | | |
| Fjord cruise with Christian Radich | Skur 32 / Akershusstranda | City Centre | | |
