- Hotel O near Ring Road City Walks formerly Graha AisyahMedan
- Hotel O P&g Guest House4.0Medan
- Orangutan TrekkingBukit Lawang
- O2 ResidenceMedan7.5
- RedDoorz Plus @ Setiabudi Medan 4Sunggal
- La Capanna Sumatra EcovillageTimbanglawang
- SumateraTrekingOrangutanPatrolBukit Lawang
- Lestari777 Guest HouseSunggal
- Green Corner VILLABukit Lawang
- Guest House BebasSunggal
- End of results -