U2 2987 then EC 1746 at Brussels
Rome → Brussels → Nice
Timetable, Brussels time
20:25U2 2987 from Rome at the gate
16:25EC 1746 to Nice leaves the gate
20 h apart on the timetable, overnight
EC 1746 leaves 20 h after U2 2987 arrives on the timetable: more than half a day, so not a connection we count.