KR 703 then FM 834 at Bangkok
Phnom Penh → Bangkok → Shanghai
Timetable, Bangkok time
21:20KR 703 from Phnom Penh at the gate
16:50FM 834 to Shanghai leaves the gate
19 h 30 apart on the timetable, overnight
FM 834 leaves 19 h 30 after KR 703 arrives on the timetable: more than half a day, so not a connection we count.