If you don't have any problems with spending a few nights 12 kilometres away from the middle of the city, look into the neighbourhood of Lillestrom. This area's got 3 hotels available, including Best Western Fagerborg Hotel A/s and Thon Hotel Lillestrøm.
For some alternatives, checkout the Quality Hotel Olavsgaard and the Quality Hotel Gardermoen Airport. They are located 15 kilometres and 20 kilometres respectively from the main center. Further alternatives include the Clarion Hotel & Congress Oslo Airport, 25 kilometres away, and the Best Western LetoHallen Hotel, 30 kilometres.
The close by cities of Ullensaker and Gardermoen are definitely worth going to. Ullensaker is 18 kilometres to the north of Sorum, while Gardermoen is 25 kilometres to the northwest. Ullensaker accommodations are the Scandic Gardermoen and Thon Hotel Oslo Airport. Gardermoen options include the Best Western Oslo Airport Hotell and Comfort Hotel RunWay.
Just because you are travelling in Oslo - Southern Norway, doesn't mean you can't indulge in your love of all things sport. Ullevaal Stadium is to the west of Sorum. The Clarion Collection Hotel Folketeateret and the Hotel Christiania Teater, an Ascend Hotel Collection Member are both good options if you hope to sleep close by.
Gardermoen Airport is the most logical airport for flying into and leaving Sorum and is 25 kilometres from the centre of town. If you plan to stay nearby, try the Gardermoen Hotel Bed & Breakfast or the Scandic Oslo Airport.
Hotels in Sorum start at AU$57 per night. Prices and availability subject to change. Additional terms may apply.