What is the distance between Lucan and Grand Bend in kilometers?

How far is Lucan, the suburban town to the west of Dublin city, Ireland, in the administrative county of South Dublin, and is situated some 13 km from the city centre from Grand Bend, often referred to as simply "The Bend" or "GB,", the Southern Ontario community located on the shores of Lake Huron and a part of the municipality of Lambton Shores in the county of Lambton measured in The kilometre (American spelling: kilometer; SI symbol: km), the unit of length in the metric system, equal to one thousand metres and is therefore exactly equal to the distance travelled by light in free space in of a seconds?

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Show reasoning Reasoning

I followed this chain of reasoning:

I know from locally stored knowledge that:
53°21'33"N is the latitude of Lucan ([fact: ["65688265@trueknowledge.com"]])

43°19'00"N is the latitude of Grand Bend ([fact: ["43534891@trueknowledge.com"]])

6°26'20"W is the longitude of Lucan ([fact: ["65688266@trueknowledge.com"]])

81°45'00"W is the longitude of Grand Bend ([fact: ["43534892@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:
5,407.35985847 kilometres is the distance between Lucan and Grand Bend

By calculation (generator: ["second_parameter@trueknowledge.com"]) I know that:
kilometre is the second parameter of 5,407.35985847 kilometres

I know from locally stored knowledge that:
Fact 1: 1 is the multiplier that converts kilometre and kilometre ([fact: ["684486512@trueknowledge.com"]])

Fact 1 is true for all time ([fact: ["689997328@trueknowledge.com"]])

By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 1 is true at June 19th 2013, 15:38:52

By calculation (generator: ["now@trueknowledge.com"]) I know that:
The current time is June 19th 2013, 15:38:52

By calculation (generator: ["first_parameter@trueknowledge.com"]) I know that:
5,407.35985847 is the first parameter of 5,407.35985847 kilometres

By calculation (generator: ["product@trueknowledge.com"]) I know that:
5,407.35985847 is the product of 1 and 5,407.35985847

By calculation (generator: ["class_parametered_object@trueknowledge.com"]) I know that:
length is the class of the parametered object 5,407.35985847 kilometres

By calculation (generator: ["parametered_object_corresponding_to@trueknowledge.com"]) I know that:
5,407.35985847 kilometres is the parametered object corresponding to length and 5,407.35985847 and kilometre

By calculation (generator: ["equivalent_to6@trueknowledge.com"]) I know that:
Fact 2: 5,407.35985847 kilometres is equivalent to 5,407.35985847 kilometres

Fact 2 is true at June 19th 2013, 15:38:52

Fact 2: kilometre is the unit used in 5,407.35985847 kilometres

I used the following facts to provide this answer:

53°21'33"N is the latitude of Lucan

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43°19'00"N is the latitude of Grand Bend

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6°26'20"W is the longitude of Lucan

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81°45'00"W is the longitude of Grand Bend

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1 has always been the multiplier that converts kilometre and kilometre and will be forever

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