Hotel O Sigma is located in Sāntrāgāchi, 3.4 miles from Howrah Train Station and 4.5 miles from Nandan. Featuring a shared lounge, the 3-star hotel has air-conditioned rooms with free WiFi, each with a private bathroom. The property has a shared kitchen and room service for guests. At the hotel, the rooms are equipped with a closet. All rooms in Hotel O Sigma are equipped with a TV and free toiletries. Park Street Metro Station is 4.8 miles from the accommodation, while Victoria Memorial is 5 miles from the property. Netaji Subhash Chandra Bose International Airport is 12 miles away.