It is approximately 2.5 kilometres long.
Monaco is extremely small, having an area of just 0.77 square miles.
About 5 miles
The transcontinental railroad is 690 miles long.
35,000 miles of railroad.
just under 600 miles
Michigan had approximately 7,929 miles of railroad in 1900.
There are 7,021 miles of railroad tracks currently in Egypt
There are approximately 233,000 miles of railroad track in the United States and back in 1840 there were 21,000 miles of railroad track
There was almost 3,00 miles of railroad tracks in 1840.
There were 30,626 miles of railroad in 1860 according to Wikipedia.
Monaco has no airport. The nearest is Nice International just a few miles away in France
.