750 km following the TRANS-CANADA HIGHWAY EAST. More specifically, following AUTOROUTE 20 EST to AUTOROUTE 85 & ROUTE 185 towards NOTRE-DAME-DU-LAC, then following AUTOROUTE 85 & ROUTE 85 to NEW BRUNSWICK, where the TRANS-CANADA HIGHWAY continues as HIGHWAY 2, then the (TRANS-CANADA) HIGHWAY 2 EAST to Moncton.
The driving distance from Moncton, Canada to Quebec is about 697 miles / 1,122 km