Question: How long is the highway that runs from the top of the highest mountain in Kentucky?

Context paragraphs:
Đeravica: Đeravica or Gjeravica (Albanian: "Gjeravica" ; ) is the second highest mountain peak in the Prokletije mountain range and the Dinaric Alps chain, after Maja Jezercë.  It is the highest mountain in Kosovo, and, according to the view held by the government of Serbia that Kosovo is part of Serbia, the highest mountain of Serbia.  It has an elevation of 2656 m above sea level.  Đeravica is located in the western part of Kosovo, in the municipality of Junik.  Before 20th century, Đeravica used to be called Kaluđerovica ("Kaluđer" means monk in Serbian).

Black Mountain (Kentucky): Black Mountain is the highest mountain peak in the Commonwealth of Kentucky, USA, with a summit elevation of 4145 ft above mean sea level and a top to bottom height of over 2500 ft .  The summit is located at approximately in Harlan County, Kentucky near the Virginia border, just above the towns of Lynch, Kentucky and Appalachia, Virginia.  It is about 500 ft taller than any other mountain in Kentucky.

Distaghil Sar: Disteghil Sar or Distaghil Sar (Urdu: ‎ ) is the highest mountain in the Hispar Muztagh, a subrange of the Karakoram mountain range, in Gilgit-Baltistan.  It is the 19th highest mountain on earth and the 7th highest peak in Pakistan.  Destghil sar is a Wakhi language word, that means "above the inner ranch."  The mountain has an about 3 km long top ridge above 7400m with three distinct summits: (north)west 7885m, central 7760 m, and (south)east 7696m or 7535m ().

Mönkh Saridag: Mönkh Saridag (also spelled as Munku-Sardyk; Mongolian: Мөнх сарьдаг, "lit.  "eternal aiguille"") is the highest mountain in the Sayan Mountains of Asia.  It is 3491 m tall and is on the international border between Mongolia and Russia.  It is also the highest mountain in Buryatia and the highest mountain in Mongolia's Khövsgöl Province.  On the southern side, the tree line is at 2000 meters, on the northern side at 2200 meters.

Tatamailau: Tatamailau (Tetum: Foho Tatamailau), or Tata Mailau, sometimes referred as Mount Ramelau, is the highest mountain in East Timor and also of Timor island at 2986 m .  The mountain is located approximately 70 km south of the capital Dili in the district of Ainaro.  While East Timor was a Portuguese colony it was called the highest mountain of Portugal in the twentieth century, since the highest mountain of Portugal proper is of a more modest height.  The name "Tatamailau" is Mambai-origin, the local language and means "Grandfather of all".  "Ramelau" is the name of the massif of the mountain.  The Tatamailau is dedicated to the Virgin Mary and the subject of an annual pilgrimage commemorating the "Annunciation of the Blessed Virgin Mary", on or around 25 March.  There is a three metre high statue of the Virgin Mary on the peak, which came from Italy and was erected during Indonesian occupation in 1997.

Rila: Rila (Bulgarian: Рила , ] ) is a mountain range in southwestern Bulgaria and the highest mountain range of Bulgaria and the Balkans, with its highest peak being Musala at 2,925 m.  The massif is also the sixth highest mountain in Europe (when each mountain is represented by its highest peak only), coming after the Caucasus, the Alps, Sierra Nevada, the Pyrenees and Mount Etna, and the highest between the Alps and the Caucasus.  More than one-third of the mountain is occupied by the Rila National Park, the rest lies within the Rila Monastery Nature Park.

Mount Jefferson (Nevada): Mount Jefferson is the highest mountain in both the Toquima Range and Nye County in Nevada, United States.  It is the sixth highest mountain in the state.  As the high point of a range which is well separated from other ranges by low basins, Mount Jefferson has a high topographic prominence of 5861 ft .  This makes it the most prominent peak in Nye County and the third most prominent peak in Nevada (after Charleston Peak and Wheeler Peak).  For similar reasons, it is also the highest mountain for over 90 miles in all directions.  It is located about 50 mi northeast of the county seat of Tonopah within the Alta Toquima Wilderness of the Humboldt-Toiyabe National Forest, near the smaller towns of Carvers and Round Mountain.  Three distinct summits are located on a broad area of subalpine tundra: North Summit rises to 11,820 ft , Middle Summit to 11,692 ft , and South Summit to 11949 ft .  During the Pleistocene, alpine glaciers eroded several cirques east of the summit plateau.

Galgiriya Mountain: Galgiriya Mountain(ගල්ගිරියා කන්ද) is an isolated mountain located in Kurunegala District in Sri Lanka.  The mountain is 478 m high and it ranks as the 7th highest mountain in North Western province and the 212th highest mountain in Sri Lanka.  Galgiriya Mountain is noted for its unique length about 7 km which is different from other isolated mountains in the area.  At present the mountain is a forest reserve as it consists of many types of valuable flora and fauna.

Nanda Devi: Nanda Devi is the second highest mountain in India, and the highest located entirely within the country.  (Kangchenjunga, which is higher, is on the border of India and Nepal.)  It is the 23rd-highest peak in the world.  It was considered the highest mountain in the world before computations in 1808 proved Dhaulagiri to be higher.  It was also the highest mountain in India before 1971 when Sikkim, the state in which Kangchenjunga is located, joined the Republic of India.  It is part of the Garhwal Himalayas, and is located in the state of Uttarakhand, between the Rishiganga valley on the west and the Goriganga valley on the east.  The peak, whose name means "Bliss-Giving Goddess", is regarded as the patron-goddess of the Uttarakhand Himalaya.  In acknowledgment of its religious significance and for the protection of its fragile ecosystem, the peak as well as the circle of high mountains surrounding it—the Nanda Devi sanctuary—were closed to both locals and climbers in 1983.  The surrounding Nanda Devi National Park was declared a UNESCO World Heritage Site in 1988.

Virginia State Route 160: State Route 160 (SR 160) is a primary state highway in the U.S. state of Virginia.  Known as the Trail of the Lonesome Pine, the state highway runs 8.02 mi from the Kentucky state line on top of Black Mountain, where the highway continues north as Kentucky Route 160 (KY 160), east to SR 68 in Appalachia.

Supporting paragraphs: Virginia State Route 160 Black Mountain (Kentucky)
Answer: 8.02 mi