Maximum CAN bus length The maximum length of the communication bus wiring is dependent on the configured baud rate. Observe the maximum bus length. (Source: CANopen; Holger Zeltwanger (Hrsg.); 2001 VDE VERLAG GMBH, Berlin und Offenbach; ISBN 3-8007-2448-0). 

Recommendation is to think about CAN Fiber Optics conversion to increase CANbus distance

Download EKS Engel CAN Fiber Gateway application note here:

https://wss.woodward.com/manuals/PGC/easYgen-3000XT_series/Application_Notes/37598A_CAN-to-Fiber_converter.pdf

EKS 3DSTP CAD Modell

https://wss.woodward.com/manuals/Support/CAD_data_3rdparty_accessories/WWD_8445-1048_DL-CAN_CANR_Fibre_Modules_STEP_File.zip

Woodward P/N 8445-1048 DL-CANR V2 REDUNDANT CAN  FIBER OPTIC SYSTEM  EKS Engel  P/N  010007573 - obsolete, do not mix V2 with new V3 converters !

Woodward P/N 8445-1048 DL-CANR V3 REDUNDANT CAN  FIBER OPTIC SYSTEM  EKS Engel  P/N 01000-8273-V3

Woodward P/N  8445-1049  DL-CAN V2 CAN FIBER OPTIC SYSTEM  EKS Engel  P/N 010007423 https://www.eks-engel.de/en/products/industrial-network-technology/interface/the-dl-can-fv-dl-can-r/