Question: How many miles is Womma railway station from the central terminus?

Context paragraphs:
New Delhi railway station: The New Delhi Railway Station (station code NDLS), situated between Ajmeri Gate and Paharganj is the main railway station in Delhi.  It is the fourth busiest Railway Station in the country in terms of frequency of trains after Kanpur Central, Vijayawada Junction and Delhi Junction and most busiest Railway station in India in terms of passenger movement.  Around 185 trains starts, ends, or passes through the station daily and handles 500,000 passengers daily with 16 platforms.  The New Delhi railway station holds the record for the largest route interlocking system in the world along with the Kanpur Central Railway Station i.e. 48.  The station is about two kilometres north of Connaught Place, in central Delhi.

Ravenglass (R&amp;ER) railway station: Ravenglass Heritage Railway Station is the Western terminus of the Ravenglass and Eskdale Railway.  It is situated to the east of main line railway station, which is itself a station on the Cumbrian Coast Line.  The facilities at the railway station include toilets, under-cover platforms, booking office and café.  The railway station complex incorporates 2 locomotive sheds, a carriage shed, a signal box, managerial offices and 2 camping coaches; along with the railway station itself.

Bihar Sharif Junction railway station: Bihar Sharif Junction railway station, station code BEHS, is a railway station and under Danapur railway division of East Central Railway.  Bihar sharif is connected to metropolitan areas of India, by the Delhi-Kolkata Main Line via Mugalsarai-Patna route.  Station is located in Bihar sharif city in Nalanda district in the Indian state of Bihar.  Due to its location on the Bakhtiyarpur-tilaiya main line many Patna and other cities via express trains coming from Rajgir and Gaya Junction stops here.  Bihar Sharif has well connected trains running frequently to New Delhi railway station, Patna Junction, Varanasi Junction railway station, and Howrah Junction railway station.  Bihar Sharif is well connected with Gaya Junction, Rajgir railway station, Tilaiya railway station, Bhagalpur railway station, and Kiul Junction through daily passenger and express train services.

Chhatrapati Shivaji Terminus railway station: Chhatrapati Shivaji Maharaj Terminus (CSMT) formerly known as Victoria Terminus is a historic railway station and a UNESCO World Heritage Site in Mumbai, Maharashtra, India which serves as the headquarters of the Central Railways.  The station has been designed by Frederick William Stevens according to the concept of Victorian Italianate Gothic Revival architecture and meant to be a similar revival of Indian Goth (classical era) architecture.  The station was built in 1887 in the Bori Bunder area of Mumbai to commemorate the Golden Jubilee of Queen Victoria.  The new railway station has been built where the Bori Bunder railway station once stood.  It is one of the busiest railway stations in India, serving as a terminal for both long-distance trains and commuter trains.  The station's name was changed from Victoria Terminus (with code BB) to  Chhatrapati Shivaji Terminus  (woth code CSTM) in March 1996 in honour of Emperor Chhatrapati Shivaji, founder of the Maratha Empire.  In 2017, the station was again renamed  Chhatrapati Shivaji Maharaj Terminus  (with code CSMT).

Matale railway station: Matale Railway Station is the terminus railway station on the Matale railway line of Sri Lanka.  It is the 65th railway station on the line from Colombo Fort railway station and is located in the Matale District in the Central Province.  It is 148.6 km from the Colombo Fort Railway Station and 27.64 km from the Kandy Railway Station. it's the end of railway line, because of water flowing beneath the ground, railway lines cannot be constructed beyond matale.

Adelaide railway station: Adelaide railway station is the central terminus of the Adelaide Metro railway system.  All lines approach the station from the west, and it is a terminal station with no through lines, with most of the traffic on the metropolitan network either departing or terminating here.  It has nine platforms, all using broad gauge track.  It is located on the north side of North Terrace, west of Parliament House.  The Adelaide Casino occupies part of the building that is no longer required for railway use.  Until 1984, Adelaide station was also the terminus for regional and interstate passenger trains, but there are no longer any regular regional train services in South Australia, and all interstate services are now handled at Adelaide Parklands Terminal.

Ratchaburi Railway Station: Ratchaburi Railway Station is a railway station located in Na Mueang Subdistrict, Ratchaburi Province, 101.315 km from Thon Buri Railway Station.  It is a class 1 railway station.  It opened in 1903 along with the opening of the first phase of the Southern Line from Thon Buri Railway Station to Phetchaburi Railway Station.  In the past it was a water and wood refueling station for steam locomotives and a terminus for some services, therefore a water tank, water cranes and a turntable remain as monuments to the station's past.

Womma railway station: Womma railway station is located on the Gawler Central line.  Situated in the northern Adelaide suburb of Elizabeth North, it is 27.3 km from Adelaide station.

Caister-on-Sea railway station: Caister-on-Sea railway station is a former railway station in Norfolk, England.  It was opened in 1877.  It later became part of the Midland and Great Northern Joint Railway route from Birmingham to Great Yarmouth, predominantly used by holidaymakers.  The station was a few miles north of the terminus at Yarmouth Beach railway station.  The station closed with the rest of the line in 1959.  Today Caister-on-Sea is without a railway station, the nearest being at Great Yarmouth railway station.

Wulu railway station: Wulu Railway Station (Simplified Chinese: 五路火车站; Pinyin: "WǔLù HuǒChē Zhàn") is a railway station in Haidian District, Beijing, China.  It is the east terminus of Jingmen Railway since 1971, when the line was abandoned between Wulu and Beijing North Railway Station.  The station is about 52 km from Muchengjian Railway Station, which is the west terminus of Jingmen Railway.

Supporting paragraphs: Womma railway station Adelaide railway station
Answer: 27.3 km