GL speed

100 trillion light years

In the well-defined feat calculated by Matthew Schroeder to determine how fast the Green Lanterns are, I believe he presumably used the observable universe as we know it in the real world (an honest assumption without the supporting evidence of the DC universe's size as stated below).

However, with this evidence as well as the fact that the Guardians have charted all 3600 sectors of the universe, it is proof that the Green Lanterns' true cruising speed is...

Final Tally:

100 trillion light years per 10 hours = 8.7658128e+16 c

(87.6 quadrillion times faster than light)

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