About 8000 km,,
Australia`s Highway 1 is the longest national highway in the world at over 14,500 km (9,000 mi).
it is the dueniden highway into it
According to The Guinness Book of World Records, the Pan-American Highway is the world's longest "motorable road", it is nearly 48,000 kilometres (29,800 miles) in total length.
NH 15 in terms of length (350km)
In Italy, the first highway is established in 1924.
The world's longest national highway is the Trans-Canada Highway that runs across Canada from Victoria, British Columbia to and St. John's, Newfoundland covering 7,821 kilometers or 4,860 miles.
The longest highway in the Philippines is the Pan-Philippine Highway (aka Maharlika Highway).
I 90 is the longest highway in the u.s.a
It is the Pan American Highway with its 27197 miles
The longest international highway in the world is the Pan American highway. It connects many countries in the Americas and is almost 25,000km long. The longest national highway (point to point) is the Trans- Canada Highway, which is 7,821km long. This highway runs east-west across southern Ontario. It starts in Newfoundland on the east coast and ends in British Columbia on the west coast. The longest national highway (circuit) is Australia's Highway 1, which is over 20,000 km long. This highway runs almost the entire way around the continents coastline connecting most of the major cities.
Longest interstate highway is I-90.
The length of the Nile River is 7,088 km or 4,405 miles. It is the longest river in the world. The Amazon River is the 2nd longest river in the world with the length 6,575 km or 4,086 miles.