A knot is a sea-mile; but I mean when she is going along at fair speed.
From Reykir is the shortest distance to the island, about one sea-mile.
The shortest passage from the island to the mainland is one sea-mile.
Every sea-mile of the great expanse is equally a danger zone.
It is but a little way from Reeks out to the island, one sea-mile only.
Now the shortest way to the mainland from the island, was a sea-mile long.
But when it was heard that Grettir had swam a sea-mile, all deemed his prowess both on sea and land to be marvellous.
What matters it to us that a Norwegian land-mile contains seven of our miles, and a sea-mile four?
When it became known that Grettir had swum a sea-mile, every one thought his courage extraordinary both on sea and on land.
The highest speed claimed for her that day is of one sea-mile an hour.