Comfortable Accommodations Duncan Inn by OYO in Duncan offers air-conditioned rooms with private bathrooms, refrigerators, work desks, free toiletries, microwaves, bath or showers, and TVs. Essential Facilities Guests enjoy free WiFi, a 24-hour front desk, and free on-site private parking. Local Attractions The Museum Of The Great Plains is 29 mi away, Jay Bonifield Art 31 mi, and Lawton-Fort Sill Regional Airport 30 mi from the hotel.