FR 2437 then IB 473 at Madrid
Rome → Madrid → Vigo
Timetable, Madrid time
22:45FR 2437 from Rome at the gate
22:15IB 473 to Vigo leaves the gatealso CZ 1349, CX 1904, VY 5101, QR 5362, AY 5603, BA 7247, PC 7873
23 h 30 apart on the timetable, overnight
IB 473 leaves 23 h 30 after FR 2437 arrives on the timetable: more than half a day, so not a connection we count.