In Mark 16:15, Jesus commands preaching the gospel to all creation, directly paralleling the necessity of preaching to all nations.

In Matthew 24:14, Jesus states the gospel will be preached to all nations, a parallel prophecy to the declaration of universal preaching.

Matthew 28:19 commands making disciples of all nations — directly parallel to Mark 13:10's statement that the gospel must be preached to all nations.

Romans 10:18 quotes Psalm 19 to say the gospel message has gone out to all the earth — directly fulfilling the universal scope of Mark 13:10.

Colossians 1:6 says the gospel is bearing fruit and growing in the whole world — reflecting the universal reach promised in Mark 13:10.

Colossians 1:23 states the gospel has been proclaimed in all creation under heaven — directly echoing Mark 13:10's prediction of preaching to all nations.

Revelation 14:6 shows an angel proclaiming the eternal gospel to every nation — a direct fulfillment of the universal proclamation in Mark 13:10.

Matthew 26:13 ties the worldwide proclamation of the gospel to the memory of the woman's act — the same 'gospel to all nations' theme.

Isaiah 52:7 describes a messenger bringing good news of salvation — a prophetic image the NT applies to the worldwide gospel preaching.

Romans 15:19 describes Paul's ministry of the gospel from Jerusalem to Illyricum — a partial fulfillment of the worldwide preaching in Mark 13:10.