DY 421 then SK 1905 at Oslo
Aro → Oslo → Billund
Timetable, Oslo time
07:40DY 421 from Aro at the gate
20:00SK 1905 to Billund leaves the gate
12 h 20 apart on the timetable
SK 1905 leaves 12 h 20 after DY 421 arrives on the timetable: more than half a day, so not a connection we count.