The time taken will depend on the speed at which the journey is undertaken. This, in turn, will depend on a number of factors:
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the speed at which your vehicle can travel,
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speed limits (and whether or not you obey them),
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road conditions,
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traffic
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whether or not you make comfort stops, fuelling stops etc.
It is a measure of speed.
You can drive 420 km in 7 hours. If you can drive 180 km in 3 hours, then you are driving 60 km/h. 60 km multiplied by 7 hours is 420 km.
Hours cannot be converted to km. Hours is a measure of time and km is a measure of distance.
Your confusing Time (hours), with Length (Kilometers).
You are traveling at 1,280 km per hour.
The driving distance is about 521 km - roughly 7 hours of driving time.
2 hours driving, like 250 km
Approximately three hours. The distance is about 250 km
250 km in 5 hours = 250/5 = 50 km per hour.
The speed in km/hour must be given. The answer is obtained by dividing 250 km by speed in km/hour
3.10685596 hours - or - 3 hours and 6 minutes and 24.681456 seconds 250KM * 0.621371192 miles/km * 1 hr / 50 miles = 3.10685596 hours This is pretty basic unit conversion math...
Just divide the distance by the speed (in km/hours), to get the time (in hours).
At an average 100 kph, 2 and 1/2 hours
Toulouse / Nice distance = 571 km, including 561 km highways; driving time = 06H00
5 hours
Time = Distance/Speed = 250km/120kph = 2.0833... hours or 2 hours and 5 minutes.
The driving distance is about 191 km - approximately 2.5 hours driving time.