| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| OA1 | Amarillo Regional | OB1 | Branson West Regional | OB2 | Bella Vista Regional | ||||||
| OK0 | Kansas City Nationals | OK1 | Kansas City Regional | OL1 | Lawrence Regional | ||||||
| OM1 | Mulvane Regional | OM2 | Midwest City Regional | OO1 | Oklahoma City Regional | ||||||
| OO2 | Overland Park Regional | OS1 | Springfield Regional | OT1 | Tulsa Regional | ||||||
| OT2 | Topeka Regional | OW3 | Wichita Regional | OX1 | D15 NAP | ||||||
| OX2 | D15 GNT | OZ9 | D15 STaC |