How far is Florence from Venice by train? And would you know how much the train fare would be...?

Question

...for a single, for one child and one adult?

Answer 1

The Train Italia site will give you times and fares and a lot of other information.

Note faster trains often require a supplement and seat reservation.

Answer 2

By road, it is 164 miles from Florence to Venice.

According to www.italiarail.co.uk, the current single fare for 1 adult and 1 child would be 57.03 Euros (or £39.00 or $76.52).  Journey times vary but average out at about 3 and a half hours.