Camping World of Manassas - RV Dealer in Manassas Camping World of Manassas is formerly known as Reines RV Center. Camping World is located less than an hour from Washington DC on I-66. We are across from Manassas National Battlefield Park. The 10-acre facility has a 15,000 square foot showroom. And more than 150 new and used RVs including popular brands such as Forest River, Keystone and Thor. We are proud to bring Reines RV Center into the Camping World family. We’ll uphold the fine tradition of the Reines family by continuing to service the RV needs of Virginia’s camping community.