City Sightseeing Norway Hop On-Hop Off!One of the most popular, fun and informative ways to tour Oslo is with our Hopon-Hopoff guided bus tour. Sit comfortable in our open top buses and enjoy the open air view as our built in guide system points out landmarks and shares Oslo’s history with you.Our buses operate on an agreed continuous route and along this route there are key points of interest and attractions. Our tour can be heard in 8 languages; Norwegian, English, French, German, Italian, Russian, Spanish and Japanese.Duration If you decide to stay onboard the bus for a complete loop without getting off at any of the stops, a full route lasts around 1 hour andn 30 minutes. A City Sightseeing bus will depart every 30 min. from all our stops. Tickets. Your ticket is valid for unlimited rides for 1 full day and tickets can be bought onboard and on various places around Oslo. City Sightseeing Norway is a part of City Sightseeing Worldwide - the world's largest open top Hop On Hop Off tour operator.