compute distance

gistfile1.cs

static void Main(String[] args)
{
    var points = new[] { 1, 2, 3, 4, 5 };

    var distance = points
        .Zip(points.Skip(1), Tuple.Create)
        .Select(x => ComputeDistance(x.Item1, x.Item2))
        .Sum();
}

static Int32 ComputeDistance(Int32 value1, Int32 value2)
{
    return new Random(DateTime.Now.Millisecond).Next(0, 100);
}