Question: How far north of the centre of Melbourne is the zoo where Queenie the elephant gave rides for children for 40 years located?

full_context: Document 1: Former Queen’s Theater, Singapore: The Former Queen’s Theater is located at the Geylang Road, opposite Lorong 41 road. The theater had been one of the main entertainment places in Geylang from 1930 to 1982. The building was named Wembley Cinema from 1930 to 1933, Ritz Cinema from 1933 to 1939, and Queen’s Theater from 1939 until it was closed in 1982. The front facade of the building is now conserved and becomes part of the GrandLink Square.
Document 2: Werribee Open Range Zoo: Werribee Open Range Zoo is an African themed zoo in Werribee, about 32 km south-west of Melbourne, Victoria, Australia. It is part of the Zoological Parks and Gardens Board or 'Zoos Victoria' which also includes Melbourne Zoo and Healesville Sanctuary. It is situated on approximately 225 ha and is located on the Werribee River in Werribee Park, adjacent to the Werribee Mansion. It was originally agistment land to the Melbourne Zoo.
Document 3: Big Thunder Ranch: Big Thunder Ranch was an attraction at Disneyland. It included an outdoor petting zoo, a walk-through cabin, and a variety of scenery meant to create the atmosphere of a Western ranch. It was located in Frontierland, nearby Big Thunder Mountain Railroad. Inside one could find sheep, goats, cows, and other farm animals. Among these animals were the two turkeys who received presidential pardons in honor of Thanksgiving in 2008. The attraction was hosted by Brawny.
Document 4: Adelaide Zoo: Adelaide Zoo is Australia's second oldest zoo (after Melbourne Zoo), and like other leading zoos in Australia, including Melbourne Zoo, Taronga Zoo, and Perth Zoo it is operated on a non-profit basis. It is located in the parklands just north of the city centre of Adelaide, South Australia. It is administered by the Royal Zoological Society of South Australia Incorporated (trading as Zoos SA) which is a full institutional member of the Zoo and Aquarium Association (ZAA) and the World Association of Zoos and Aquariums (WAZA). and which also administers the Monarto Zoo near Murray Bridge.
Document 5: Naypyidaw Zoological Gardens: The Naypyidaw Zoological Gardens (Burmese: နေပြည်တော် တိရိစ္ဆာန် ဥယျာဉ် , ] ) located in Naypyidaw is the largest zoo in South East Asia. Located on the Yangon-Mandalay highway about 250 miles (400 km) north of Yangon, the 612-acre (247-hectare) zoo opened its doors on Myanmar's Armed Forces Day (27 March) in 2008 with about 420 animals trucked in from the Yangon Zoological Gardens.
Document 6: Melbourne Zoo: The Royal Melbourne Zoological Gardens, commonly known as the Melbourne Zoo, contains more than 320 animal species from Australia and around the world. The zoo is 4 km north of the centre of Melbourne. It is accessible via Royal Park station on the Upfield railway line, and is also accessible via tram routes 58 and 19, as well as by bicycle on the Capital City Trail. Bicycles are not allowed inside the zoo itself.
Document 7: Wildlife Express Train: The Wildlife Express Train is a narrow gauge rail transport attraction at Disney's Animal Kingdom in Walt Disney World. It’s route is 1.2 mi long and takes guests from Harambe Station in the Africa section to Conservation Station in the Rafiki's Planet Watch section. During the ride, portions of the Animal Kingdom backlot can be seen, including animal holding buildings for rhinos and elephants, among other animals as well as the roundhouse where the trains are stored. It takes about seven minutes to go from Harambe Station to Conservation Station and an additional five minutes to return. The railway is built to a narrow gauge, which is smaller than the currently used on East African railways. The full journey is a 1.2 mi round trip.
Document 8: Oakland Zoo: Oakland Zoo, in the past known as the Knowland Zoo, is a 100 acre zoo located in southeastern Oakland, California, United States. Most of its animals are kept in relatively "natural" habitats, and expanded natural habitats are planned. The "Wayne and Gladys Valley Children's Zoo" which opened in 2005 is a good example of the zoo's plans for the future, with interactive exhibits, state of the art animal housing facilities and children's play areas. The zoo is nationally known for its excellent elephant exhibit and has been praised for allowing their elephants to roam freely.
Document 9: Singapore Zoo: The Singapore Zoo, formerly known as the Singapore Zoological Gardens and commonly known locally as the Mandai Zoo, occupies 28 ha on the margins of Upper Seletar Reservoir within Singapore's heavily forested central catchment area. The zoo was built at a cost of $9 million granted by the government of Singapore and opened on 27 June 1973. It is operated by Wildlife Reserves Singapore, who also manage the neighbouring Night Safari, River Safari and the Jurong BirdPark. There are about 315 species of animal in the zoo, of which some 16 percent are considered to be threatened species. The zoo attracts 1.7 million visitors each year.
Document 10: Queenie (elephant): Queenie was an elephant who was used to give rides for children at Melbourne Zoo for 40 years.
Document 11: City Circle tram: The City Circle is a zero-fare tram running around the Melbourne City Centre in Australia. Aimed mainly at tourists, the route passes many Melbourne attractions while running along the city centre's outermost thoroughfares, as well as the developing Docklands waterfront precinct. It operates in both clockwise and anti-clockwise direction.
Document 12: Fairy Queen (locomotive): The Fairy Queen, also known as the East Indian Railway 22 class is a 1855-built steam locomotive, restored and housed at 1893-built Rewari Railway Heritage Museum, plying between the Indian capital of New Delhi and Alwar, in Rajasthan. Built in 1855, it was certified by the "Guinness Book of Records" in 1998 as being the world's oldest one in regular operation after being restored to haul a luxury train in order to boost tourism in Rajasthan. The "Fairy Queen" runs on the same basis as the "Palace on Wheels", the tourist train launched in 1982, and in 1999 was awarded a National Tourism Award.
Document 13: Brevard Zoo: Brevard Zoo is a 75 acre not-for-profit facility located in Melbourne, Florida, United States that is home to more than 650 animals representing more than 165 species from Florida, South America, Africa, Asia, and Australia. The zoo features animal feedings, kayak tours, paddle boats in the wetlands, behind-the-scene tours, and a train ride. It also has the attraction Treetop Trek. Brevard Zoo is a not-for-profit organization accredited by the Association of Zoos and Aquariums.
Document 14: Pony ride: A pony ride is an opportunity for children to ride real ponies for a short time, usually seen at fairs, guest ranches, zoos, summer camps, private children's parties and similar places. Children on pony rides do not handle the pony themselves, but they need to be old enough to sit up straight and hold their head up without support. Pony rides may be given on individually hand-led ponies, or in a group of ponies, usually four to six, placed on a "pony wheel," a small type of hot walker that leads all ponies in a walk on a small circle so that fewer handlers are needed. Safety is a paramount concern and insurance companies consider pony rides to be a high-risk activity. There are concerns about the welfare of some ponies used for pony rides.
Document 15: Shambala Animal Kingdom: Shambala Animal Kingdom was a 53 ha zoological park outside Kuranda, Queensland, Australia. The park was privately owned. It was formerly known as "Cairns Wildlife Safari Reserve", "Mareeba Wild Animal Park" and "Out of Africa Reserve". After being purchased by a Sydney lawyer, the zoo was renamed "Shambala Animal Kingdom". The zoo was closed in April 2013 citing financial reasons.
ground_truth: 4 km