| 1978 Winston Cup Race Winners | |||
| Race # | Race | Location | Winner |
| 1 | Winston Western 500 | Riverside CA | Cale Yarborough |
| 2 | Daytona 500 | Daytona Beach FL | Bobby Allison |
| 3 | Richmond 400 | Richmond VA | Benny Parsons |
| 4 | Carolina 500 | Rockingham NC | David Pearson |
| 5 | Atlanta 500 | Atlanta GA | Bobby Allison |
| 6 | Southeastern 500 | Bristol TN | Darrell Waltrip |
| 7 | Rebel 500 | Darlington SC | Benny Parsons |
| 8 | Staley 400 | N Wilkesboro NC | Darrell Waltrip |
| 9 | Virginia 500 | Martinsville VA | Darrell Waltrip |
| 10 | Winston 500 | Talladega AL | Cale Yarborough |
| 11 | Mason Dixon 500 | Dover DE | David Pearson |
| 12 | World 600 | Charlotte NC | Darrell Waltrip |
| 13 | Music City USA 420 | Nashville TN | Cale Yarborough |
| 14 | NAPA Riverside 400 | Riverside CA | Benny Parsons |
| 15 | Gabriel 400 | Brooklyn MI | Cale Yarborough |
| 16 | Firecracker 400 | Daytona Beach FL | David Pearson |
| 17 | Nashville 420 | Nashville TN | Cale Yarborough |
| 18 | Coca-Cola 500 | Pocono PA | Darrell Waltrip |
| 19 | Talladega 500 | Talladega AL | Lennie Pond |
| 20 | Champion Spark Plug 400 | Brooklyn MI | David Pearson |
| 21 | Volunteer 400 | Bristol TN | Cale Yarborough |
| 22 | Southern 500 | Darlington SC | Cale Yarborough |
| 23 | Capital City 400 | Richmond VA | Darrell Waltrip |
| 24 | Delaware 500 | Dover DE | Bobby Allison |
| 25 | Old Dominion 500 | Martinsville VA | Cale Yarborough |
| 26 | Wilkes 400 | N Wilkesboro NC | Cale Yarborough |
| 27 | NAPA National 500 | Charlotte NC | Bobby Allison |
| 28 | American 500 | Rockingham NC | Cale Yarborough |
| 29 | Dixie 500 | Atlanta GA | Donnie Allison |
| 30 | L. A. Times 500 | Ontario CA | Bobby Allison |