OPWN
OPWN Stands For : Wana
OPWN Stands For : Wana
OPX Stands For : Ohio Power Company
OPZB Stands For : Zhob Air Base
OQN Stands For : Brandywine Airport
OQR Stands For : Ontario & Quebec Railway
OQU Stands For : Hawthorne Aviation
OQW Stands For : Maquoketa
OR Stands For : Oriya | Oregon
ORA Stands For : Oran | Ormet Railroad Corporation
ORB Stands For : Orebro