Home to pretty treasures, Pontelongo is Italy's best kept secret. The nearest major city to Pontelongo is Venice. Attractions in Venice include Grand Canal, St Mark's Square, Saint Mark's Basilica. Also, to reach Pontelongo, you'll have to take a flight to Venice; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Most online packages to this city are of 1-2 days.
Yes,it is that simple really! Enjoy your trip! Keep travelling!