Question: Pterostylis barringtonensis is only known to be found in the park 200 km north of what city?

Context paragraphs:
Safranbolu: Safranbolu (Greek: Σαφράμπολις, "Saframpolis" ) is a town and district of Karabük Province in the Black Sea region of Turkey.  It is about 9 km north of the city of Karabük, 200 km north of Ankara and about 100 km south of the Black Sea coast.  The town's historic names in Greek were "Theodoroupolis" (Θεοδωρούπολις, i.e. city of Theodorus or female Theodora) and later "Saframpolis" (Σαφράμπολις).  Its former names in Turkish were "Zalifre" and "Taraklıborlu".  It was part of Kastamonu Province until 1923 and Zonguldak Province between 1923 and 1995.

Nasopur: Nasopur (नसोपुर) is a Village in Kotkasim tehsil Alwar District in the Indian state of Rajasthan.  It is located around 75 km south of Delhi, 75 km north of Alwar and about 200 km north of Jaipur, the capital of Rajasthan.  Nasopur is part of Greater Bhiwadi and National Capital Region (NCR).

Pterostylis barringtonensis: Pterostylis barringtonensis, commonly known as the Barrington leafy greenhood, is a plant in the orchid family Orchidaceae and is endemic to New South Wales.  As with similar greenhoods, the flowering plants differ from those which are not flowering.  The non-flowering plants have a rosette of leaves on a short stalk but the flowering plants lack a rosette and have up to seven dark green flowers on a flowering stem with stem leaves.  It is only known from Barrington Tops National Park.

Chama, Zambia: Chama is a small town in the Muchinga Province of Zambia, and is headquarters of Chama District.  It is one of the most remote district headquarters in the country, lying just inside the eastern edge of the upper Luangwa Rift Valley, at the foot of the highlands dividing Zambia and Malawi.  It is served by only one gravel road which comes from Lundazi and the provincial capital, Chipata, 300 km to the south.  A dirt track connects the town to the South Luangwa National Park 200 km south-west, running parallel to the Luangwa River.  There are no roads west from Chama across the Luangwa Valley, but a little-used dirt track follows the Malawi border further north and crosses into Isoka District west of the Nyika Plateau.

Bowman Park: Bowman Park is a public park in South Australia located on the Crystal Brook about 5 km northeast of the township of Crystal Brook and 200 km north of the capital city of Adelaide.  The park has an area of about 40ha and is in the Mid North region of the state of South Australia, and named for the Bowman Brothers who settled in the area around 1850.

Prince Albert National Park: Prince Albert National Park encompasses 3874 km2 in central Saskatchewan, Canada and is located 200 km north of Saskatoon.  Though declared a national park March 24, 1927, it had its official opening ceremonies on August 10, 1928 performed by Prime Minister William Lyon Mackenzie King.  The park is open all year but the most visited period is from May to September.  Although named for the city, the park's main entrance is actually 80 km (50 mi) north of Prince Albert via Highways 2 and 263 which enters the park at its southeast corner.  Two additional secondary highways enter the park: No.  264, which branches off Hwy.  2 just east of the Waskesiu townside, and No.  240, which enters the park from the south and links with 263 just outside the entry fee-collection gates.

Barrington Tops National Park: The Barrington Tops National Park is a protected national park located in the Hunter Valley, approximately 200 km north of Sydney in New South Wales, Australia.  Gazetted in 1969, the 76512 ha park is situated between Scone, Singleton, Dungog, Gloucester and East Gresford.

Ain al-Arous: Ain al-Arous (Arabic: عين العروس‎ ‎ ) is a Syrian village in Tal Abyad District, in Raqqa Governorate, located 3 km south of the city of Tal Abyad, 92 km north of the city of Raqqa, 200 km east of the city of Aleppo and 420.69 km north of the capital Damascus.  It is near the border with Turkey.  The Balikh River rises from it.

Sargur: Sargur (also known as Saragur pronounced Saraguru in the Kannada language, as Kannada words end in vowels, which are lost in their Anglicization), is a small town located about 80 km from the town of Chamarajanagar in the H D Kote Taluk of Mysore district of Karnataka, India.  H D Kote (Heggadadevanakote) is about 12 km north of Sargur.  It is 55 km from the city of Mysore.  Bangalore International Airport is 200 km away.  To be more elaborate, Sargur is 33.8 km from Nanjangud town (Karnataka), 35.1 km from Gundlupet town (Karnataka), 137.8 km from Udagamandalam town (Ooty) Valley (Tamil Nadu) and 38.8 km from Hunsur town (Karnataka).

Anjanvel: Anjanwel is a small coastal town in Guhagar taluka, Ratnagiri district, in the Konkan region and administrative division of the Indian state of Maharashtra.  It is located around 80 km north of the district headquarters of Ratnagiri, 10 km north of its taluka, and 200 km south of Mumbai, the state capital.  Marathi is the official language, but Daldi, a dialect of Konkani language, is also spoken by large numbers of inhabitants.  The nearest villages are Veldur, which is home of an Enron plant, Dhopawe, Vanoshi T. Panchanadi, Navse, and Sakhari Trishul.  The Gopalgad Fort, also known as Anjanvel Fort ( ) is a coastial fort, half of the fort is on a hill and the other half is directly adjacent to the Arabian Sea.  Anjanwel has a tropical monsoon climate with 47% of humidity also due to its proximity to the sea.

Supporting paragraphs: Pterostylis barringtonensis Barrington Tops National Park
Answer: Sydney