About 24.17 miles.
18 nautical miles (~almost 21 statute/land miles)
1319.99 FT (US) 440 Yards .21 Nautical Miles 402336 MM 40233.6 CM 402.33 M .040 KM 15840 Inches .25 Miles
3 hours
13.04879 miles.
21 miles
21 miles at the closest point
By road: 1,334 miles. Which should take: 21 hours and 39 minutes. or as the crow flies... 1040 miles (1673 km) (903 nautical miles)
21 miles, or 34 kilometers. This is at the shortest point across.
21 miles
21 miles
About 13 miles or 21 kilometres.
At it's shortest distance, between Shakespear beach (Dover) to Gap Gris Nez, is 21 statute miles, or 18.2 nautical miles.