Question: Nymagee is 89 km south of a town that how many km northwest of Sydney?

Context paragraphs:
Nymagee: Nymagee is a small town in the north west of New South Wales, 618 km north west of Sydney, 130 km south west of Nyngan and 89 km south of Cobar.  It is in the Shire of Cobar, The State Government area of Barwon and the Federal Government area of Parkes.  At the 2006 census, Nymagee had a population of 103.

Cobar: Cobar is a town in central western New South Wales, Australia.  The town is 712 km northwest of the state capital, Sydney.  It is at the crossroads of the Kidman Way (to Queensland) and Barrier Highway (to South Australia).  The town and the local government area, the Cobar Shire, are on the eastern edge of the outback.  At the 2016 census, the town of Cobar had a population of 3,990.  The Shire has a population of approximately 4,700 and an area of 44065 km2 —about two-thirds the size of Tasmania.

Płachty, Masovian Voivodeship: Płachty is a village in the administrative district of Gmina Pionki, within Radom County, Masovian Voivodeship, in east-central Poland.  It lies approximately 2 km south of Pionki, 22 km east of Radom, and 89 km south of Warsaw.

Glinka, Silesian Voivodeship: Glinka is a village in the administrative district of Gmina Ujsoły, within Żywiec County, Silesian Voivodeship, in southern Poland, close to the border with Slovakia.  It lies approximately 3 km east of Ujsoły, 26 km south of Żywiec, and 89 km south of the regional capital Katowice.

Comrades Marathon: The Comrades Marathon is an ultramarathon of approximately 89 km (approx. 56 miles) which is run annually in the KwaZulu-Natal Province of South Africa between the cities of Durban and Pietermaritzburg.  It is the world's largest and oldest ultramarathon race.  The direction of the race alternates each year between the "up" run (87 km) starting from Durban and the "down" run (89 km) starting from Pietermaritzburg.

Thirlmere, New South Wales: Thirlmere is a small semi-rural town in the Macarthur Region of New South Wales, Australia, in Wollondilly Shire.  Popularly known for its railway origins, the town is located 89 km south west of Sydney (about a 60-minute drive), one third of the distance from Sydney to Canberra.  At the 2016 census , Thirlmere had a population of 4,046.

Stary Kamień, Masovian Voivodeship: Stary Kamień is a village in the administrative district of Gmina Gąbin, within Płock County, Masovian Voivodeship, in east-central Poland.  It lies approximately 4 km south of Gąbin, 21 km south of Płock, and 89 km west of Warsaw.

Zaborowo, Rawicz County: Zaborowo is a village in the administrative district of Gmina Jutrosin, within Rawicz County, Greater Poland Voivodeship, in west-central Poland.  It lies approximately 4 km south of Jutrosin, 23 km east of Rawicz, and 89 km south of the regional capital Poznań.

Chaniotis: Chaniotis (Greek: Χανιώτης , "Chaniótis" or Χανιώτη , "Chanióti", ] ), is a tourist town located in the eastern part of the peninsula of Kassandra, Chalkidiki, Greece.  The population in 2011 was 893, the elevation is 10 m.  The population during the summer increases many times.  Chanioti is situated on the northeastern coast of the peninsula, 3 km northwest of Pefkochori, 4 km southeast of Polychrono, 7 km northeast of Nea Skioni and 89 km southeast of Thessaloniki.  There are forests in the mountains near Chaniotis, and farmlands along the coast.  The beach of Chaniotis attracts many tourists.

Nowy Kamień, Masovian Voivodeship: Nowy Kamień is a village in the administrative district of Gmina Gąbin, within Płock County, Masovian Voivodeship, in east-central Poland.  It lies approximately 5 km south of Gąbin, 22 km south of Płock, and 89 km west of Warsaw.

Supporting paragraphs: Nymagee Cobar
Answer: 712