They can travel thousands of kilometres in a single trip, yet move only a few hundred metres.
Journalists were stopped at a police checkpoint several kilometres from the scene of the shooting.
It just represents the 70-odd kilometres that there are of Edinburgh's completely off-road, traffic-free pathways.
Still, for a few hundred kilometres at least, the traffic should soon start moving.
For rural people especially, walking several kilometres in heavy downpours could prove one too many hurdle.
It had plans to add a second factory in Lacq, some 70 kilometres (44 miles) north.
ECONOMIST: A pre-emptive strike by a politician from the Pyrenees
Calculating the density of an object 340m kilometres (210m miles) from earth is no easy task.
February 1996: Train hits truck on level crossing killing 11 people 90 kilometres north of Cairo.
There is also 301 kilometres of coastline, making Gwynedd the largest coastal authority in Wales.
Mauritania is a vast Saharan wasteland of more than a million square kilometres (400, 000 square miles).
So smart, autonomous vehicles can, indeed, find their way across several hundred kilometres of desert.
But since a great collapse in 2007 the figure has been closer to 4.3m square kilometres.
The six-kilometres finger of sand juts out into the Humber Estuary from the Holderness coast.
This is equivalent to the apparent thickness of a human hair seen from two kilometres away.
With just a few kilometres until we reached the cliffs, the van stalled.
The search operation covered an area of 60 kilometres square, including more than 300 specific search areas.
The centre is situated in a farming area, a few kilometres away from the Mozambique border post.
The tidal wave obliterated Warapu and several other villages as it swept almost two kilometres over a mile inland.
No more politics, just pure and neutral adventures thousands of kilometres away from the nearest human being.
The gas is to travel 1, 200 kilometres (750 miles) across northern Iran on its way to Turkey.
In Colombia drought has parched 5, 000 square kilometres of pasture and 2, 000 of maize, sorghum and soya.
This was after adjusting for factors such as age, sleep patterns, kilometres driven, breaks taken and night-driving schedules.
In the same period, Lake Conway filled with an additional 1.2 cubic kilometres (1.2 trillion litres) of water.
HR4796B, it keeps a wary distance of nearly 80 billion kilometres (50 billion miles) from its bigger sibling.
The force covers an area of 1, 357.9 sq miles (3, 517 sq kilometres) with a population of 900, 000 people.
These sprawling compounds consist of buildings and underground bunkers that cover some 12 square miles (30 square kilometres).
Clearance zones have fallen from 15 miles (24 kilometres) in the 1960s to two or three miles now.
ICO's ten satellites fly about 9, 000 kilometres higher in medium-earth orbit and have a life-span of 12 years.
In Operation Pamir, Col Qadir deployed short-range mortars and Russian-made D30 guns, which have a range of several kilometres.
The blast, which was heard several kilometres away, set many cars ablaze and destroyed the facades of nearby buildings.
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